The square of one-sixth of the number of students in a class are studying in the library and the remaining eight students are playing in the ground. W

The square of one-sixth of the number of students in a class are studying in the library and the remaining eight students are playing in the ground. W
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The square of one-sixth of the number of students in a class are studying in the library and the ... is the total number of students of the class ?
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In a class of 55 students, the number of students studying different subjects are 23 in Mathematics, 24 in Physics, 19 in Chemistry, 12 in Mathematics

Description : In a class of 55 students, the number of students studying different subjects are 23 in Mathematics, 24 in Physics, 19 in Chemistry, 12 in Mathematics

Last Answer : In a class of 55 students, the number of students studying different subjects are 23 in Mathematics, 24 in Physics, 19 ... ` B. `30` C. `22` D. `27`

The average age of the students in a class is 14. The average age of half of the students in that class and the class teacher is 16. The average age of the remaining half of the students is 15. What is the number of students in that class? a) 20 b) 70 c) 80 d) Cannot be determined e) None of these

Description : The average age of the students in a class is 14. The average age of half of the students in that class and the class teacher is 16. The average age of the remaining half of the students is 15. What is the number of students in that class? a) 20 b) 70 c) 80 d) Cannot be determined e) None of these

Last Answer : Because total no. of students is not known we cannot find the answer. Answer: d)

The average age of 150 students in a class is 40% of the number of students in the class and the average age of a group of 50 students present in the class is 32yrs and the average age of another 50 students in the class is 36yrs. What is the average age of the remaining students in the class? A) 102 B) 118 C) 112 D) 108

Description : The average age of 150 students in a class is 40% of the number of students in the class and the average age of a group of 50 students present in the class is 32yrs and the average age of another 50 students ... is the average age of the remaining students in the class? A) 102 B) 118 C) 112 D) 108

Last Answer : C) 150 students average 150×40/100=60 years According to the question, 150×60=50×32+50×36+50×X 50×X=9000-1600-1800 50x=5600 X=112

The average age of 30 students in a class is 12 years. The average age of a group of 5 of the students is 10 years and that of another group of 5 of them is 14 years. The average of the remaining students is : a) 8 years b) 10 years c) 12 years d) 14 years e) 15 years

Description : The average age of 30 students in a class is 12 years. The average age of a group of 5 of the students is 10 years and that of another group of 5 of them is 14 years. The average of the remaining students is : a) 8 years b) 10 years c) 12 years d) 14 years e) 15 years

Last Answer : Let it be x . Then : 5×10+5×14+20×x=30×12 20x=360-120 or 20x=240 or x = 12 Answer: c)

The mean marks obtained by a class of 40 students is 65. The mean marks of half of the students is found to be 45. The mean marks of the remaining students is (A) 85 (B) 60 (C) 70 (D) 65

Description : The mean marks obtained by a class of 40 students is 65. The mean marks of half of the students is found to be 45. The mean marks of the remaining students is (A) 85 (B) 60 (C) 70 (D) 65

Last Answer : Answer: A

on analyzing the result of an competitive exam the teacher found that the average for the entire the class was 69 marks. If we say that average of 10 % of the students scored 77 marks and average of 28 % of the students scored 66 marks, then calculate average marks of the remaining students of the class A) 67.54 B) 68.26 C) 66.91 D) 69.06

Description :  on analyzing the result of an competitive exam the teacher found that the average for the entire the class was 69 marks. If we say that average of 10 % of the students scored 77 marks and average of 28 % of the ... marks of the remaining students of the class A) 67.54 B) 68.26 C) 66.91 D) 69.06 

Last Answer : D) average of entire class = 69marks average of 28 % of the students = 66 marks average of 10% of the students = 77 marks then % of remaining students = (100- 10 - 28) = 62% let the average of 62% of the ... (62*x)+770+1848= 6900 62 * x = 6900-770-1848 62*x = 4282 x = 69.06

The average age of three -seventh of class is 49, what should be the average of remaining four-seventh students so that the average of the entire class is 63? A) 24.5 B) 86.5 C) 73.5 D) 25.5

Description : The average age of three -seventh of class is 49, what should be the average of remaining four-seventh students so that the average of the entire class is 63? A) 24.5 B) 86.5 C) 73.5 D) 25.5

Last Answer : C) According to the question, 63=3/7×49+4/7×y 63=147/7+4y/7 441=147+4y 4y=294 Y=73.5

The average score in a bank examination of 13 students of a class is 50. If the scores of the top five students are not considered, the average score of the remaining students falls by 5. The pass mark was 35 and the maximum mark was 100. It is also known that none of the students failed. If each of the top five scorers had distinct integral scores, the maximum possible score of the topper is. A) 85 B) 90 C) 95 D) 100

Description : The average score in a bank examination of 13 students of a class is 50. If the scores of the top five students are not considered, the average score of the remaining students falls by 5. The pass mark ... integral scores, the maximum possible score of the topper is. A) 85 B) 90 C) 95 D) 100

Last Answer : D Average = Sum of observations/Number of observations Given, average score in a bank examination of 13 students of a class is 50. Sum of total scores = 13 50= 650 Given, if the scores of the top five students are not ... b + c + d + e = 290 ⇒46+ 47 + 48+ 49 +e = 290 ⇒e = 100

The average marks of a class of 90 students is 126. Out Of them, 4 scores zero, first 60 students scored an average of 116, next 24 scored an average of 118. What is the mark obtained by the remaining student in the class? A) 750 B) 862 C) 774 D) 875

Description : The average marks of a class of 90 students is 126. Out Of them, 4 scores zero, first 60 students scored an average of 116, next 24 scored an average of 118. What is the mark obtained by the remaining student in the class? A) 750 B) 862 C) 774 D) 875

Last Answer : C) According to the question, 90*126=(4*0)+(60*116)+(24*118)+2y 11340=6960+2832+2y 2y=1548 y=774

When a girl weighing 90 kgs left a class, the average weight of the remaining 119 students increased by 400 g. What is the average weight of the remaining 119 students? A) 124 B) 138 C) 145 D) 116

Description : When a girl weighing 90 kgs left a class, the average weight of the remaining 119 students increased by 400 g. What is the average weight of the remaining 119 students? A) 124 B) 138 C) 145 D) 116

Last Answer :  B Let the average weight of the 119 students be X. Therefore, the total weight of the 119 of them will be 119X. The questions states that when the weight of this student who left is added, the total ... , the average weight decreases by 0.4 kgs. (119X+90)/120=X−0.4 ⇒119X+90=120X−48  ⇒X=138

Which five year plan focused on “Growth with social justice and equity”. A. Ninth Five Year Plan B. Eight Five Year Plan C. Seventh Five Year Plan D. Sixth Five Year Plan

Description : Which five year plan focused on “Growth with social justice and equity”. A. Ninth Five Year Plan B. Eight Five Year Plan C. Seventh Five Year Plan D. Sixth Five Year Plan

Last Answer : A. Ninth Five Year Plan

Nintendo owns two of the most popular gaming franchises ever. The net worth of these 2 franchises equals the combined total of the remaining eight franchises in the top 10. What are they? -Gaming

Description : Nintendo owns two of the most popular gaming franchises ever. The net worth of these 2 franchises equals the combined total of the remaining eight franchises in the top 10. What are they? -Gaming

Last Answer : NEED ANSWER

A teacher can establish rapport with his class by (a) Becoming a figure of authority (b) Impressing students with knowledge and skill. (c) Playing the role of a guide who desires to help him (d) Becoming a friend to the pupils

Description : A teacher can establish rapport with his class by (a) Becoming a figure of authority (b) Impressing students with knowledge and skill. (c) Playing the role of a guide who desires to help him (d) Becoming a friend to the pupils

Last Answer : (c) Playing the role of a guide who desires to help him

Out of the total number of students studying Dentistry, what percent knows at least two languages? (1) 6112/13 (2) 5713/16 (3) 5913/17 (4) 661/4 (5) 6212/19

Description : Out of the total number of students studying Dentistry, what percent knows at least two languages? (1) 6112/13 (2) 5713/16 (3) 5913/17 (4) 661/4 (5) 6212/19

Last Answer : (4) 661/4

Out of the students studying Homeopathy, what is the ratio between number of boys knowing English and the number of girls knowing Hindi respectively? (1) 3 : 5 (2) 2 : 3 (3) 9 : 11

Description : Out of the students studying Homeopathy, what is the ratio between number of boys knowing English and the number of girls knowing Hindi respectively? (1) 3 : 5 (2) 2 : 3 (3) 9 : 11

Last Answer : (2) 2 : 3

All red face cards are removed from a pack of playing cards. The remaining cards are well shuffled and then a card is drawn at random from them. Find the probability that the drawn card is face card. a. 2/23 b. 7/44 c. 3/23 d. 4/25

Description : All red face cards are removed from a pack of playing cards. The remaining cards are well shuffled and then a card is drawn at random from them. Find the probability that the drawn card is face card. a. 2/23 b. 7/44 c. 3/23 d. 4/25

Last Answer : c. 3/23

In a school, 22% of the students are sixth graders. What is the probability that a randomly chosen student will not be a sixth grader?

Description : In a school, 22% of the students are sixth graders. What is the probability that a randomly chosen student will not be a sixth grader?

Last Answer : 50 percent

What software or app does students from China or other countries studying in America use?

Description : What software or app does students from China or other countries studying in America use?

Last Answer : you’re kidding?

How many students studying Homeopathy, do not know English? (1) 292 (2) 232 (3) 228 (4) 298

Description : How many students studying Homeopathy, do not know English? (1) 292 (2) 232 (3) 228 (4) 298

Last Answer : 1) 292

How many students studying Dentistry know only either English or Hindi? (1) 166 (2) 162 (3) 308 (4) 198 (5) 248

Description : How many students studying Dentistry know only either English or Hindi? (1) 166 (2) 162 (3) 308 (4) 198 (5) 248

Last Answer : 4) 198

The publishers of The Economist developed a campaign to market the magazine to university and college students studying business and management courses. This would best be referred to as a strategy centring on A)product development. B)horizontal diversification. C)market development. D)concentric diversification. E)conglomerate diversification.

Description : The publishers of The Economist developed a campaign to market the magazine to university and college students studying business and management courses. This would best be referred ... B)horizontal diversification. C)market development. D)concentric diversification. E)conglomerate diversification.

Last Answer : C)market development.

Which of the following is not an export (a) sales of domestic cars abroad (b) purchase of foreign components © students from abroad studying in your country (d) sales of financial services.

Description : Which of the following is not an export (a) sales of domestic cars abroad (b) purchase of foreign components © students from abroad studying in your country (d) sales of financial services.

Last Answer : (b) purchase of foreign components

In MSM college, 35% of the students study Tamil and English. 40% of the students study English. What is the probability of a student studying Tamil given he/she is already studying english? A) 0.675 B) 0.580 C) 0.875 D) 0.725

Description : In MSM college, 35% of the students study Tamil and English. 40% of the students study English. What is the probability of a student studying Tamil given he/she is already studying english? A) 0.675 B) 0.580 C) 0.875 D) 0.725

Last Answer : Answer: C) P(T and E) = 0.35 P(E) = 0.40 P(T/E) = P(T and E)/P(E) = 0.35/0.40 = 0.875

What is the cube root of 7 multiplied by the square root of 7 over sixth root of 7 to the power of 5.?

Description : What is the cube root of 7 multiplied by the square root of 7 over sixth root of 7 to the power of 5.?

Last Answer : It is 1.

The toe projection of foundation slabs is taken (A) As one third of the base (B) As one sixth of overall height of the wall (C) Equal to heel slab (D) Below ground surface

Description : The toe projection of foundation slabs is taken (A) As one third of the base (B) As one sixth of overall height of the wall (C) Equal to heel slab (D) Below ground surface

Last Answer : Answer: Option A

In an examination, 900 students appeared. Out of these students; 56 % got first division, 27 % got second division and the remaining just passed. Assuming that no student failed; find the number of students who just passed. a) 225 b) 153 c) 245 d) 148 e) 298

Description : In an examination, 900 students appeared. Out of these students; 56 % got first division, 27 % got second division and the remaining just passed. Assuming that no student failed; find the number of students who just passed. a) 225 b) 153 c) 245 d) 148 e) 298

Last Answer : Answer: B The number of students with first division = 56 % of 900  = 56/100 × 900 = 50400/100  = 504 And, the number of students with second division = 27 % of 900  = 27/100 × 900  =24300/100  = 243 Therefore, the number of students who just passed = 900 – (504 + 243)  = 900- 747  = 153

Which of the following is not true about earthquake? Options: A) The shaking of ground is known as earthquake B) It is a geological hazard C) Seismic waves generated by earthquakes are invaluable for studying the interior of earth D) Tsunami causes earthquakes

Description : Which of the following is not true about earthquake? Options: A) The shaking of ground is known as earthquake B) It is a geological hazard C) Seismic waves generated by earthquakes are invaluable for studying the interior of earth D) Tsunami causes earthquakes

Last Answer : D) Tsunami causes earthquakes 

A group of 210 students appeared in some test. The mean of of students is found to be 60. The mean of the remaining students is found to be 78. The mean of the whole group will be: (A) 80 (B) 76 (C) 74 (D) 72

Description : A group of 210 students appeared in some test. The mean of of students is found to be 60. The mean of the remaining students is found to be 78. The mean of the whole group will be: (A) 80 (B) 76 (C) 74 (D) 72

Last Answer : Answer: D

A group of students of arithmetic mean of the marks in a test was 63. The brightest 30% of them secured a mean score of 70 and the dullest 15% a mean score of 41. The mean score of remaining 55 % is A) 63.675 B) 61.785 C) 65.181 D) 66.67

Description : A group of students of arithmetic mean of the marks in a test was 63. The brightest 30% of them secured a mean score of 70 and the dullest 15% a mean score of 41. The mean score of remaining 55 % is A) 63.675 B) 61.785 C) 65.181 D) 66.67

Last Answer : C) Let the requird mean score be ‘x’ Then (30*70)+(15*41)+55x = 63*100 2100+615+55x=6300 2715+55x=6300 55x=3585 X=65.181

The average scores of a batch of students in a test is 84. The 36% of students's average score is 57 and 42% of students's score is 84. Then find the average score of remaining 22% of students approximately, A) 128 B) 131 C) 119 D) 106

Description : The average scores of a batch of students in a test is 84. The 36% of students's average score is 57 and 42% of students's score is 84. Then find the average score of remaining 22% of students approximately, A) 128 B) 131 C) 119 D) 106 

Last Answer : Answer: A)  let the number of students be 100, then, 100*84 = 36*57 + 42*84 + 22*x 22x = 8400-2052-3528 x = 128.18

One Of Your Student Is Too Poor To Buy A Book. How Will You Help Him? Options: A) You Will Purchase The Book. B) You Will Collect A Fund From Others For This Purpose. C) You Will Provide The Books From Library. D) You Will Request The Institute Administration To Make A Policy For Helping Such Students.

Description : One Of Your Student Is Too Poor To Buy A Book. How Will You Help Him? Options: A) You Will Purchase The Book. B) You Will Collect A Fund From Others For This Purpose. C) You Will ... The Books From Library. D) You Will Request The Institute Administration To Make A Policy For Helping Such Students.

Last Answer : C) You Will Provide The Books From Library.  

If you have the habit of book-lifting from library, how would you solve this typical problem behaviour? Options: A) Gradually you will leave this habit because you know that it is very painful experience to the individual who is in dire need of it B) You realise it as an immoral act but have no alternative C) You will try to purchase it D) You will try to get it from other students

Description : If you have the habit of book-lifting from library, how would you solve this typical problem behaviour? Options: A) Gradually you will leave this habit because you know that it is very painful experience to ... C) You will try to purchase it D) You will try to get it from other students

Last Answer : A) Gradually you will leave this habit because you know that it is very painful experience to the individual who is in dire need of it

Seven men, five women and eight children were given as assignment of distributing 2000 books to students in a school over a period of three days. All of them distributed books on the first day. One of the second day two women and three children remained absent and on the third day three men and five children remained absent. If the ratio of the number of books distributed in a day by a man, a woman and a child was 5 : 4 : 2 respectively, a total of approximately how many books were distributed on the second day? a) 1000 b) 800 c) 650 d) 900 e) Cannot be determined

Description : Seven men, five women and eight children were given as assignment of distributing 2000 books to students in a school over a period of three days. All of them distributed books on the first day. One of the second ... distributed on the second day? a) 1000 b) 800 c) 650 d) 900 e) Cannot be determined

Last Answer : Answer: C Sol. Let the books distributed by man, a woman and a child be 5x, 4x and 2x respectively. ∴ No. of books distributed in 1st day = 7 5x+5 4x+8 2x=71x No. of books distributed in 2nd day =7 ... 2x=46x 71x + 57x + 46x = 2000, x = 2000/174 57x=2000/174 57= 655 650 (Approx)

Carl is trying to find solutions to a geometric puzzle. He has a square plot of land that he needs to reserve 1/4 for himself and divide the remaining 3/4 equally and in similar shape, among his 4 children. There are two possible solutions. Can you solve the puzzle? -Riddles

Description : Carl is trying to find solutions to a geometric puzzle. He has a square plot of land that he needs to reserve 1/4 for himself and divide the remaining 3/4 equally and in similar shape, among his 4 children. There are two possible solutions. Can you solve the puzzle? -Riddles

Last Answer : Solution #1 - Squares First, Carl divides his as to reserve to himself one-fourth in the form of a square. Then, Carl takes the remaining 3/4 shape and scales it down by 1/4. He then, ... each square. The shape of land for each of his four children is divided evenly and is the same shape.

A metallic sheet is of rectangular shape with dimensions 48 cm x 36 cm. From each of its corners, a square of 8 cm is cut-off and an open box is made of the remaining sheet. Find the volume of the box. -Maths 9th

Description : A metallic sheet is of rectangular shape with dimensions 48 cm x 36 cm. From each of its corners, a square of 8 cm is cut-off and an open box is made of the remaining sheet. Find the volume of the box. -Maths 9th

Last Answer : When squares of 8 cm is cutt-off from rectangulare sheet then, Length of box (l) = (98 - 8 - 8) = 32 cm Breadth of box (b) = (36 - 8 - 8) = 20 cm Height of box (h) = 8cm ∴ Volume of box = lbh = 32 x 20 x 8 = 5120 cm3

A metallic sheet is of rectangular shape with dimensions 48 cm x 36 cm. From each of its corners, a square of 8 cm is cut-off and an open box is made of the remaining sheet. Find the volume of the box. -Maths 9th

Description : A metallic sheet is of rectangular shape with dimensions 48 cm x 36 cm. From each of its corners, a square of 8 cm is cut-off and an open box is made of the remaining sheet. Find the volume of the box. -Maths 9th

Last Answer : When squares of 8 cm is cutt-off from rectangulare sheet then, Length of box (l) = (98 - 8 - 8) = 32 cm Breadth of box (b) = (36 - 8 - 8) = 20 cm Height of box (h) = 8cm ∴ Volume of box = lbh = 32 x 20 x 8 = 5120 cm3

Let the opposite angular points of a square be (3, 4) and (1, – 1), Find the co-ordinates of the remaining angular points. -Maths 9th

Description : Let the opposite angular points of a square be (3, 4) and (1, – 1), Find the co-ordinates of the remaining angular points. -Maths 9th

Last Answer : P ≡ (-3, 2), Q ≡ (-5, -5), R ≡ (2, -3), S ≡ (4, 4)∴ PQ = \(\sqrt{(-5+3)^2+(-5-2)^2}\) = \(\sqrt{4+49}\) = \(\sqrt{53}\)QR = \(\sqrt{(2+5)^2+(-3+5)^2}\) = \(\sqrt{49+4}\) = \ ... of rhombus = \(rac{1}{2}\) x (Product of length of diagonals) = \(rac{1}{2}\) x \(5\sqrt2\) x \(9\sqrt2\) = 45 sq. units.

The library on the ground floor of the Mansion needs a resident librarian. I think we just got one!

Description : The library on the ground floor of the Mansion needs a resident librarian. I think we just got one!

Last Answer : Congratulations, @keobooks! Though I always think of you as Marcie. :)

The gravitational potential energy of an object close to the ground varies: w) inversely as its distance from the ground x) directly as its distance from the ground y) inversely as the square of its distance from the ground z) directly as the square of its distance from the ground

Description : The gravitational potential energy of an object close to the ground varies: w) inversely as its distance from the ground x) directly as its distance from the ground y) inversely as the square of its distance from the ground z) directly as the square of its distance from the ground 

Last Answer : ANSWER: X -- DIRECTLY AS ITS DISTANCE FROM THE GROUND

The lanthanide series elements are also known as: w) rare earth elements x) non-metals y) fifth period elements z) sixth period elements

Description : The lanthanide series elements are also known as: w) rare earth elements x) non-metals y) fifth period elements z) sixth period elements

Last Answer : ANSWER: W -- RARE EARTH ELEMENTS

What are some art project ideas for a 6th grade class studying Ancient Egypt?

Description : What are some art project ideas for a 6th grade class studying Ancient Egypt?

Last Answer : It’s not exactly an art project, but I always thought drawing my name in heiroglyphics was fun… =)

I am a word. My first four letters refer to a mark on a person's skin; three letters found in the middle refer to what all mathematics students know. My last four letters refer to a place where everyone love to be, and my whole is familiar to all economics students. I am an eight letter word. What am I? -Riddles

Description : I am a word. My first four letters refer to a mark on a person's skin; three letters found in the middle refer to what all mathematics students know. My last four letters refer to a place where ... and my whole is familiar to all economics students. I am an eight letter word. What am I? -Riddles

Last Answer : Scarcity

I am 18 years old. Height 5 feet 6 inches Weight 52 kg. I am studying in Inter 2nd year. I got 3.39 from science department in SSC. Will I get a job in the army now ? I am 18 years old. Height 5 feet 6 inches Weight 52 kg. I am studying in Inter 2nd year. I got 3.39 from science department in SSC. W

Description : I am 18 years old. Height 5 feet 6 inches Weight 52 kg. I am studying in Inter 2nd year. I got 3.39 from science department in SSC. Will I get a job in the army now ? I am 18 years old. Height 5 ... in Inter 2nd year. I got 3.39 from science department in SSC. Will I get a job in the army now ?

Last Answer : A minimum GPA of 3.50 is required to join the army as well as other qualifications. You can't even apply for this point in your SSC . If you get 3.50 or more in HSC exam and have other qualifications, you can apply for the post of Army soldier. Thank you!

Divide a square cake into eight equal parts. The condition is that you can wield the knife three times in total. How is that possible ?

Last Answer : Run the knife twice , first cut by X. Then once you run the knife like this - I will cut it side by side, then the condition is fulfilled ...

A teacher can establish rapport with his students by: Options: A) Becoming a figure of authority B) Impressing students with knowledge and skill C) Playing the role of a guide D) Becoming a friend to the students

Description : A teacher can establish rapport with his students by: Options: A) Becoming a figure of authority B) Impressing students with knowledge and skill C) Playing the role of a guide D) Becoming a friend to the students

Last Answer : B) Impressing students with knowledge and skill 

A teacher can establish rapport with his students by: (A) becoming a figure of authority (B) impressing students with knowledge and skill (C) playing the role of a guide (D) becoming a friend to the students

Description : A teacher can establish rapport with his students by: (A) becoming a figure of authority (B) impressing students with knowledge and skill (C) playing the role of a guide (D) becoming a friend to the students

Last Answer : Answer: B  Building rapport with students can be a remarkably effective way to improve classroom management. But there is some confusion over what rapport is and how one goes about building it. Rapport is ... like and believe in them, you'll form a bond that makes classroom management a lot easier.

The key to effective class-room discipline lies in Options: A) Seeking the cause of misbehaviour and taking appropriate action B) Making an example of the leaders of any class-room mischief C) Inspiring respect by remaining cold and aloof to pupils in and out of the class room D) Providing a programme with inbuilt means for the satisfaction of pupil needs

Description : The key to effective class-room discipline lies in Options: A) Seeking the cause of misbehaviour and taking appropriate action B) Making an example of the leaders of any class-room mischief C) ... of the class room D) Providing a programme with inbuilt means for the satisfaction of pupil needs

Last Answer : D) Providing a programme with inbuilt means for the satisfaction of pupil needs 

The average age of 160 boys in a class is 58 yrs. The average group of 30 boys in the class is 42 yrs and the average of another group of 50 boys in the class is 36 years. What is the average age of the remaining boys? A) 72.58 B) 74.25 C) 77.75 D) 75.68

Description : The average age of 160 boys in a class is 58 yrs. The average group of 30 boys in the class is 42 yrs and the average of another group of 50 boys in the class is 36 years. What is the average age of the remaining boys? A) 72.58 B) 74.25 C) 77.75 D) 75.68 

Last Answer : C) Total age of 160 boys = 160* 58= 9280 total age of 30 boys = 30 * 42= 1260 total age of next 50boys = 50 * 36= 1800 average of the remaining boys = [(9280-{1260+1800})/[160 - (30 + 50)] =>9280-3060/80 =>6220/80 =77.75yrs

How do you enable your application to use .NET base class library members without referencing their fully qualified names?

Description : How do you enable your application to use .NET base class library members without referencing their fully qualified names?

Last Answer : Use the Imports keyword (Visual Basic .NET) or the using keyword (Visual C#) to make a .NET Framework namespace visible to your application. 

The half-life of an isotope of an element is 5 days. The mass of a 10 gram sample of this isotope remaining after 20 days is: w) 0.312 grams x) 0.625 grams y) 1.25 grams z) 2.50 grams

Description : The half-life of an isotope of an element is 5 days. The mass of a 10 gram sample of this isotope remaining after 20 days is: w) 0.312 grams x) 0.625 grams y) 1.25 grams z) 2.50 grams

Last Answer : ANSWER: X -- 0.625 GRAMS