Description : (37) 0.75 x [(7056) 0.25] ÷ (64) – 2 = (8) ? (Take 3 digits after the decimal point) a) 95.357 b) 69.567 c) 96.257 d) 78.584 e) 88.598
Last Answer : (37) 0.75 x [(7056) 0.25] ÷ (64) – 2 = (8) ? Sol: 27.75 x 1764 ÷ 64 – 2 = 8 x ? 27.75 x 27.5625 – 2 = 8 x ? 762.859/8=? ? = 95.357 Answer: a)
Description : 19/14 x 12/72 x 18/29 x 767 = ? (Take 2 digits after the decimal point) a) 110.69 b) 118.78 c) 111.56 d) None e) 108.98
Last Answer : 19/14 x 12/72 x 18/29 x 767 =? Sol: 1.35 x 0.16 x 0.62 x 767 = ? 102.71 = ? Answer: d)
Description : 3001 × 99 ÷ 11 -6001 × 8 + 401 × 11 + (303)2 = ? a) 76125 b) 78129 c) 75000 d) 75221 e) 74532
Last Answer : ? =3001× 99 ÷ 11 – 6001 × 8 + 401 × 11 +(303)2 =3001 × 9 – 6001 × 8 + 401 × 11 + (303)2 =27009 -48008 + 4411 + 91809 = 75221 Answer: d)
Description : All the words of OLIVE are arranged in dictionary order. Find the position of the word LIVEO. a) 49 b) 55 c) 57 d) 59 e) 61
Last Answer : words starting with E = 4! = 24 words starting with I = 4! = 24 words starting with LE = 3! = 6 words starting with LIE = 2! = 2, LIO = 2! = 2 the first word with starting with LIV will be LIVEO so rank = 24 + 24 + 6 + 2 + 2 + 1 = 59 Answer: d)
Description : The average of 11 results is 50. If the average of first 6 results is 49 and that of last 6is 52, find the sixth result? A.55 B.56 C.65 D.62 E.None of these
Last Answer : Answer – B (56) Explanation – The total of 11 results = 11 x 50 = 550 The total of first 6 results = 6 x 49 = 294 The total of last 6 results = 6 x 52 = 312 The sixth result is common to both: Sixth result = 294 + 312 – 550 = 56
Description : The average weight of a group of 75 women was calculated as 47 kg. It was later discovered that the weight of one of the women was read as 45 kg, whereas her actual weight was 25kg. What is the actual average weight ... kg (b) 46.64 kg (c) 45.96 kg (d) Cannot be determined (e) None of these
Last Answer : (a) 46.73 kg
Description : What is the per cent increase in the number of products manufactured by the company in the year 2006 from the previous year ? (Rounded off to two digits after decimal) (1) 19·25 (2) 33·33 (3) 10·45 (4) 42·66 (5) None of these
Last Answer : (5) None of these
Description : The number of products sold by the company in the year 2004 is what per cent of the number of products manufactured by it in that year ? (Rounded off to two digits after decimal) (1) 71·43 (2) 67·51 (3) 81·67 (4) 56·29 (5) None of these
Last Answer : 1) 71·43 v
Description : Number of girls enrolled in only Dancing classes is what per cent of the boys enrolled in the same? (Rounded off to two digits after decimal) (1) 38•67 (2) 35•71 (3) 41•83 (4) 28•62 (5) None of these
Last Answer : (2) 35•71
Description : Suresh and Ramesh are twins. In a form by mistake, Suresh reverses the last 2 digits of his year of birth, and this makes him 9 years older than Ramesh. With this mistake, the sum of their ages in 2015 becomes 43. How old will Ramesh be 2021? a) 17 b) 19 c) 21 d) 23 e) 25
Last Answer : Let the correct ages of Ramesh and Suresh be X in 2015 (since they are twins, they will have the same age) Given: 2x + 9 = 43 Or x = 17 years in 2015. Age in 2021 = 17 + 6 = 23 Note: year of birth = 2015 – 17 = 1998. Reversing, Suresh = 1989 or 9 year older. Answer: d)
Description : If the positions of the digits of a two digit number are interchanged, the number obtained is smaller than the original number by 27. If the digits of the number are in the ratio of 1 : 2, what is the original number ? a) 25 b) 81 c) 36 d) Cannot be determined e) None of these
Last Answer : Cannot be determined Answer: d)
Description : 1:1, 8:4, 9:27, 64:16, 25:125, ?:?, 49:343, a) 36:316 b) 216:36 c) 316:16 d) 32:316 e) None of these
Last Answer : Its alternatively ratio of n2 and n3 Now, after 25:125, it would be 63 : 62 216:36 Answer: b)
Description : 23.98 × 62.49 × 12.03 = ? × 29.97 a) 500 b) 600 c) 900 d) 450 e) 750
Last Answer : 24× 62.5× 12 = ? × 30 24× 750 = ? × 30 ? = (24× 750) / 30 = 600 Answer: b)
Description : 15 17 32 49 81 130 ? a) 179 b) 211 c) 194 d) 226 e) None of these
Last Answer : 15 + 17 = 32 17 + 32 = 49 32 + 49 = 81 49 + 81 = 130 81 + 130 = 211 Answer: b)
Description : 121 ? 113 138 89 170 49 a) 125 b) 110 c) 122 d) 120 e) 133
Last Answer : The series is +1^2 , -3^2 , +5^2 , - 7^2 , .... Answer: c)
Description : √(4.9 − 0.49) = ? a) 10.42 b) 5.84 c) 12.84 d) 2.1 e) None of these
Last Answer : Answer: d)
Description : 3 9 15 ? 35 49 a) 25 b) 30 c) 24 d) 20 e) None of these
Last Answer : Answer: a)
Description : . What is the ratio of the total investment in Metals to that in Machinery? a) 135 : 302 b) 24 : 49 c) 2 : 4 d) 197 : 226 e) 123 : 233
Last Answer : d) 197 : 226
Description : Madhan was 3 times as old as his daughter 10 years ago. After 10 years, Madhan will be twice as old as his daughter. Find out the present age of Madhan. a) 68 years b) 70 years c) 40 years d) 55 years e) 80 years
Last Answer : b Let age of the daughter before 10 years = x Then, age of Madhan before 10 years = 3x After 10 years, Madhan will be twice as old as his daughter. ⇒ 3x + 20 = 2( x+20) ⇒ x = 20 ⇒ Present age of Madhan = 3x + 10 = 3× 20+ 10 = 70 years.
Description : If the digits of a two digit number are interchanged, the number formed is greater than the original number by 45. If the difference between the digits is 5.What is the original number? a) 18 b) 25 c) 36 d) Cannot be determined e) None of these
Last Answer : According to question both statements gives some equation which have two variable and it is not possible to find out two variable by single eg. Answer: d)
Description : A two digit number is such that the sum of the digits is 11.When the number with the same digits is reversed is subtracted from this number, the difference is 9.What is the number? 1. 23 2. 24 3. 65 4. 14 5. 32
Last Answer : Answer- 3(65) Explanation:- let the number be written as xy x-ten’s place y units place x+y=11…………………1 (10x+y)-(10y+x)=9 10x+y-10y-x=9 9x-9y=9 x-y=1………………….2 Add (1) & (2) 2x=12 x=6 y=5 the number is 65
Description : The digits of a two-digit number are in the ratio of 2 : 3 and the number obtained by interchanging the digits is bigger than the original number by 27.What is the original number? 1. 63 2. 48 3. 96 4. 69 5. 66
Last Answer : Answer- 4 (69) Explanation:- lets digit at tens and ones place be 2x and 3x So,number is 2x*10 + 3x After interchanging number will be 3x*10 +2x so, [3x*10 +2x] – [2x*10 + 3x]27 we get,x=3 so number =69
Description : Vinoth could get equal number of Rs. 55, Rs. 85 and Rs. 105 ticket for a Zoo. He spend Rs. 3920 for all the tickets. How many of each did he buy? a) 15 b) 18 c) 16 d) 26 e) None of these
Last Answer : Total money = 55x + 85x + 105x = 3920 245x = 3920 x = 16 Answer: c)
Description : 55 60 67 78 91 108 ? a) 125 b) 121 c) 127 d) 89 e) None of these
Last Answer : 55 + 5 = 60 60 + 7 = 67 67 + 11 = 78 78 + 13 = 91 91 + 17 = 108+108 + 19 = 127 Answer: c)
Description : √730 + √840 - √960 + √1090 - √290 = ? a) 41 b) 33 c) 20 d) 28 e) 55
Last Answer : ? = 27 + 29 – 31 + 33 – 17 = 41 Answer: a)
Description : A,B and C can do piece of work in 11 days,20 days and 55 days respectively, working alone. How soon can the work be done if a is assisted by B and C on alternate days/ a) 6 b) 7 c) 8 d) 9 e) 10
Last Answer : Work done by A and B in one day = 1/11 + 1/20 =31/220 Work done by A and C in one day = 1/11 + 1/55 =6/55 Work done in 2 days = 31 /220+6/55=55/220 = ¼ Hence, 1/4 of the work is done in 2 days Hence, it takes 8 days to finish the work Answer : c
Description : 10 years ago the average age of all the 25 teachers of a college was 45 years. 4 years ago, a teacher retired from the post at the age of 60 years, and was replaced by a new teacher whose age was 54 years. ... 53 b) Between 53 and 54 c) Between 54 and 55 d) Between 55 and 56 e) None of the above
Last Answer : Let current year be 2015 In 2005, sum of all ages = 25 45 = 1125 In 2015, sum of all ages = 1125 + (25 10) = 1375 Now 60 year old teacher was replaced by a 54 year old teacher. So we need ... all ages in 2015 considering the replacement teacher = 1375 - 6 = 1369 Average = 1369/25 = 54.76 Answer: c)
Description : A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is: a) 35.55 km/hr b) 36 km/hr c) 71.11 km/hr d) 71 km/hr e) 69.69km/hr
Last Answer : Total time taken = (160/64) + (160/80) = 9/2 hrs. Avg Speed – 320 × (2/9) km/hr = 71.11km/hr Answer: c)
Description : Deepa decided to donate 16% of her monthly salary to an NGO. On the day of donation she changed her mind and donated Rs. 6,567/- which was 75%of what she had decided earlier. How much is Deepa’s monthly salary? a) Rs. 54,725/- b) Rs. 58,756/- c) Rs. 56,700/- d) Rs. 55,696/- e) Rs. 52,696/-
Last Answer : Let the Deepa Monthly Salary = x Deepa decided to donate 16% of her monthly salary. On the day of donation she changed. So, 75%of she had decided earlier of 16% 16 × 75/100 = 12% Therefore = 12%= Rs. 6567 100% = Rs .6567 × 100 / 12 x = Rs. 54725 Answer: a)
Description : A train 125 m long passes a man, running at 5 kmph in the same direction in which the train is going, in 10 seconds. The speed of the train is: A.35 km/hr B.50 km/hr C.48 km/hr D.55 km/hr E.None of these
Last Answer : Answer – B (50 km/hr) Explanation – Let speed be S Relative speed = total lengths/time [ in this case man length is neglible compare to train so neglected] (S – 5) x 5/18 = 125 /10 S- 5 = (125/10)x(18/5) S-5 = 45 S=50 km/hr
Description : Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is: A.40 m B.55 m C.65 m D.50 m E.None of these
Last Answer : Answer- D (50) Explanation – Relative speed= total lengths/time (46-36) x 5/18 = [L + L ] / 36 10 x (5/18) x36 x (1/2)= L L=50 m
Description : A person travels from P to Q at a speed of 40 kmph and returns by increasing his speed by 50%. What is his average speed for the both the trips? A.35 kmph B.4o kmph C.48 kmph D.55 kmph E.None of these
Last Answer : Answer – C (48 kmph) Explanation – Speed on return trip = 150% of 40 = 60 kmph Average speed = [2 x 40 x 60] / [40 + 6]km/hr =4800/100km/hr = 48 km/hr.
Description : Vijay purchased two kg of sugar and three kg of rice for Rs.145. Ravi purchased three kg of sugar and two kg of rice for Rs.130. What is the price of one kg of sugar and one kg of rice? 1 : Rs.45 2 : Rs.50 3 : Rs.55 4 : Rs.60 5 : None of these
Last Answer : 3 : Rs.55
Description : The cash difference between the selling price of an article at a profit of 8% and 4% is Rs 3 the ratio of the two selling price is A. 51 : 52 B. 27 : 26 C. 51 : 53 D. 52 : 55
Last Answer : Answer – B (27:26) Explanation – Let the C.P of the article be Rs. x Then required ratio = 108% of x / 104% of x = 108/104= 27:26
Description : How is 750000 dollars split in to 5111 ratio?
Last Answer : The browser used for posting questions on this site is rubbish since it strips out most punctuation and mathematical symbols. It is, therefore, not possible to determine whether you mean the ratio511 : 1 or51 ... dollars to be split evenly is the last and that gives 468750, and three lots of 93750.
Description : M and N invested in a work which M invest Rs 3015 more than N. N invested for 7 months while M invested for 5 months. If M gets Rs 425 more than N, out of a total profit of Rs 3400. Then the amount invested in the business by M approximately is, A) 6784 B) 6258 C) 7524 D) 7275
Last Answer : Answer: A) Let investment of N be x Profit of N be y Investment of M is x+3015 Profit ratio of M&N is, M:N =[x+3015]*5:x*7-------->(1) Profit of M =425 +profit of N Total profit =3400 =425 ... ---->(2) 153/119=(x+3015)*5/x*7 X=Rs.3769 M's investment =x+3015 =3769+3015 =Rs6784
Description : Without looking it up, to how many digits after the decimal point can you recite for the value of Pi?
Last Answer : Those long winter nights must just fly by.
Description : What is a decimal number which ends after a finite number of digits after the decimal point is called?
Last Answer : It is a terminating decimal.
Description : (A) Use two digits to make the smallest possible positve intiger.(B) Five 3s can express 37: 37=33+3+3/3Find another way to do it.(C) Use six identical dgits to make 100. (Several solutions are possible.)(D) Use five 4s to make 55.(E) Use four 9s to make 20. -Riddles
Last Answer : (A) 1 X 1; 1/1;2/2;ect....;1-0;2-1;and many others. (B) 37=333/3X3; 37=3 X 3 X 3 + 3/.3 (C) 99 + 99/99; 55+55- 5- 5; (666-66)/6 (D) 44 + 44/4=55. (E) 9 + 99/9=20.
Description : An integer constant in C must have A) At least one digit B) At least one decimal point C) A comma along with digits D) Digits separated by commas
Last Answer : A) At least one digit
Description : A father runs after his son, who is 1000 meters ahead. The father runs at a speed of 1 kilometre every 8 minutes, and the son runs at a speed of 1 kilometer every 12 minutes. How much distance has ... father overtakes him? a) 2500 meters b) 2000 meters c) 1500 meters d) 1000 meters e) 1200 meters
Last Answer : Time taken is same for both father and son Let x be the distance son travelled before being overtaken by his father Time taken by son = x/5 km/hour Time taken by father = (1000 + x) / 7.5 km/hr Since, time taken is same x/5 = (1000 + x) / 7.5 or x = 2000m Answer: b)
Description : A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point ... A.15 minutes 15 seconds B.42 minutes 30 seconds C.42 minutes D.46 minutes 12 seconds E.None of these
Last Answer : Answer – D (46 minutes 12 seconds) Explanation – L.C.M. of 252, 308 and 198 = 2772.So, A, B and C will again meet at the starting point in 2772 see i.e., 46 min. 12 sec
Description : How many digits does the square root of 55 have?
Last Answer : The square root of 55 is an irrational number, meaning it neverends and doesn't have a repeating digit pattern, so it has aninfinite number of digits.
Description : How do you write 8.517 in another form?
Last Answer : It is the same as: 8.5170It is the same as: 8 and 517/1000 as a mixed number
Description : I need to speak with an agent regarding home owners and cattle insurance. Please call Debbie at 517-857-2508?
Last Answer : You should contact the Foulk Agency.
Description : How do you make 8.517 has a fraction?
Last Answer : 517/8
Description : While swimming at depth of120m in a fresh water lake, A fish emits an air bubbles of volume 2.0mm³ atmospheric pressure is 100kPa. What is the pressure of the bubble? a) 217.7 kPa b) 317.7 kPa c) 417.7 kPa d) 517.7 kPa Formula: P= δh
Last Answer : 217.7 kPa
Description : A sells an article to B at 15% profit. B sells it to C at 10% loss. If C pays Rs 517.50 for it then A purchased it at: 1. Rs 500 2. Rs 750 3. Rs 1000 4. Rs 1250
Last Answer : 1. Rs 500
Description : Which algorithm includes repeated addition of two predetermined values A and S to a product P and then performs a rightward arithmetic shift on P. a. Booth’s algorithm b. Usual algorithm c. Multiplication algorithm d. None of these
Last Answer : a. Booth’s algorithm