Description : 7 relatives of a man comprise 4 ladies and 3 gentlemen; his wife also has 7 relatives; 3 of them are ladies and 4 gentlemen. In how many ways -Maths 9th
Last Answer : The possible cases are: Case I : A man invites (3 ladies) and woman invites (3 gentlemen) 4 C 3 4 C 3 =16 Case II : A man invites (2 ladies,1 gentleman) and woman invites (2 gentleman, 1 lady) ( 4 ... and woman invites (3 ladies) 3 C 3 3 C 3 =1 Total number of ways =16+324+144+1=485
Description : A committee of 11 members sit at a round table. In how many ways can they be seated if the “President” and the “Secretary” choose to sit together. -Maths 9th
Last Answer : ∴ Required number of ways of seating = 9!
Description : Two ladies and two men are playing bridge and seated at North, East, South and West of a table. No lady is facing East. Persons sitting opposite to each other are not of the same sex. One man is facing South. ... facing to? (A) East and West (B) North and West (C) South and East (D) None of these
Last Answer : (B) North and West
Description : Eighteen quests have to be seated, half on each side of a long table. Four particular guests desire to sit on one particular side and -Maths 9th
Last Answer : Since four particular guests want to sit on particular side and three others on the other side. So, we are left with 11 guests out of which we choose 5 for side A in ways and remaining 6 for ... of the table can be arranged among themselves in 9! Ways. Hence, the total number of arrangements =
Description : There are 10 persons who are to be seated around a circular table. Find the probability that two particular persons will always sit together. -Maths 9th
Last Answer : Total number of ways in which 10 person can sit around a circular table = 9! (∵ We shall keep one place fixed and the rest of the 9 places will be filled in (9 8 7 6 5 4 3 2 1) ways asthere is ... probability = \(rac{2 imes8!}{9!}\) = \(rac{2 imes8!}{9 imes8!}\) = \(rac{2}{9}.\)
Description : In how many ways can 7 men and 7 women sit on a round table such that no two women sit together? -Maths 9th
Last Answer : Now there are 7 places vacant between these 7 men. ∴ 7 women can seat themselves in these 7 places in 7 ! ways. ∴ Total number of required arrangement where no two women sit together = 6!
Description : 6 boys and 6 girls are seated in a row. Probability that all the boys sit together is -Maths 9th
Last Answer : (d) \(rac{1}{132}\)Let S be the sample space for arranging 6 boys and 6 girls in a row. Then, n(S) = 12! If all 6 boys are to sit together, then consider the 6 boys as one entity. Now the ... ) = \(rac{7 imes6 imes5 imes4 imes3 imes2}{12 imes11 imes10 imes9 imes8 imes7}\) = \(rac{1}{132}\).
Description : A committee of 5 persons is to be formed out of 6 gents and 4 ladies. In how many ways can this be done if at most two ladies are included? -Maths 9th
Last Answer : hope its clear
Description : Would the word "lady" be a proper term for a woman as the word "gentleman" might be for a man? Is there even any distinction between the two or does it not matter at all really?
Last Answer : They are equivalent, it’s just that “lady” has been taken into common usage as a synonym for “woman,” where “gentleman” has not. I blame Jerry Lewis.
Description : Ladies: Would you find it attractive if a gentleman was open to asking for directions?
Last Answer : If I had “a guy” it would show me that this person is resourceful, which is a great quality.
Description : Ladies and gentleman my hair is fried. Can you suggest some good products?
Last Answer : Quit treating it with chemicals outside of shampoos and conditioners. Use a mild detergent shampoo. Eat more protein, like eggs.
Description : How do I address a letter to a lady and gentlemen?
Last Answer : What is the answer ?
Description : Besides epilepsy and seizures have any of you ladies and gentlemen ever got an EEG?
Last Answer : answer:I did a sleep study and my brain waves were all hooked up and measured. Why do you call it extreme? Because you think it is unlikely to show anything? Did he do an MRI already? I assume ... from a thyroid problem. The ranges have been argued for years. Did they check your TSH, T4free and T3?
Description : Is this dress suitable for a ladies evening formal & gentlemen black tie / formal dinner?
Last Answer : I doubt it. It would be fine for a nice luncheon , though or dinner at most restaurants.
Description : Ladies and gentlemen what can I get you for Xmas - material object or not?
Last Answer : I’ll take this please ;)
Description : Ladies and Gentlemen what is your option on shaving body hair once in a committed relationship?
Last Answer : answer:For me, when I was single I was the same as I am now that I'm married. I keep my underarms shaved, shave my legs about once a week when my husband is home and in the summer (that's all I ... , he will take a break from shaving. I like him with and without facial hair, so I'm happy either way.
Description : And now for something completely different: Ladies and Gentlemen?
Last Answer : I wish people still wore fancy hats.
Description : Gentlemen, in your honest opinion, what is the measure of a man? Ladies, in your honest opinion, what is the measure of a woman?
Last Answer : It has to be the way they dress. Did I get it right?
Description : Ladies and gentlemen - How important are good manners when it comes to career opportunities?
Last Answer : Vital. Does anyone doubt this?
Description : A square has its side equal to the radius of the sphere. The square revolves round a side to generate a surface of total area S. -Maths 9th
Last Answer : answer:
Description : My first may be fashioned of iron or wood, And at window or door for safety is placed; In village or town it does more harm than good, Leading people their health, time, and money to waste. My ... -'tis a one-shilling glove- It is something which makes people open their eyes.What am I? -Riddles
Last Answer : Bar-gain.
Description : In how many ways can 8 people sit around a circular Table? (a) 5040 (b) 40320 (c) 20160 (d) 2520 -Maths 9th
Last Answer : As is known in case of circular permutations, we keep one place fixed, so 8 people can sit around a circular table in (8 – 1) ! ways = 7! ways = 5040 ways.
Description : In how many ways can 6 girls be seated in a rectangular order? A) 60 B) 120 C) 5040 D) 720
Last Answer : Answer: B) Number of arrangements possible = (6-1)! = 5! = 5×4×3×2×1 = 120
Description : A hemispherical bowl is 176 cm round the brim. Supposing it to be half full, how many persons may be served from it in hemispherical -Maths 9th
Last Answer : Let the radius of the hemispherical bowl be r cm Then, 2πr=176⇒r=176×72×22⇒r=282πr=176⇒r=176×72×22⇒r=28 Volume of liquid in the bowl : =12×( ... : =Volume of liquid in the bowlVolume of 1 glass=(14×28×282×2×2)= 1372
Description : 65. While the nurse was checking the BP of the client, the wife was intently observing the nurse. The wife asks the nurse how to ensure accurate measurement of BP reading. Identify all the ... The client should rest quietly for 5 minutes before reading and can talk while BP is being checked
Last Answer : A. 1, 2, 3, and 4
Description : In how many ways can a committee of five persons be formed out of 8 members when a particular member is taken every time? -Maths 9th
Last Answer : ∴Required number of ways = 7C4 = 7!
Description : Mike, Jack, and Jim were triplets. When they were ten a mysterious lady gave them each tickets and said they were time tickets good for a round trip to any time and place. Jim immediately used his ... time he goes back exactly 100 years back into the present. Who is the oldest sibling now? -Riddles
Last Answer : Mike, because he went 30 minutes from the past and let time catch up while the others traveled back to the present. Therefore he is older by 30 minutes.
Description : What is the typical height of a bar table and how many people can be seated around them?
Last Answer : Bar tables are typically 40'"-42" in height, with the stools being around 28"-30". The amount of people that can be seated around them varies, but it is typically 3 or 4.
Description : A box contains 5 different red and 6 different white balls. In how many ways can 6 balls be selected so that there are at least -Maths 9th
Last Answer : The selection of 6 balls, consisting of at least two balls of each color from 5 red and 6 white balls can be made in the following ways: Red balls (5) White balls(6) Number of ways 2 4 5 C 2 × 6 C 4 =150 3 3 5 C 3 × 6 C 3 =200 4 2 5 C 4 × 6 C 2 =75 Total 425
Description : In how many ways can teacher seat 5 girls and 3 boys in a row of 8 seats if a boy must be seated in the first seat and a girl in the last seat?
Last Answer : Feel Free to Answer
Description : There are 6 numbered chairs placed around a circular table. 3 boys and 3 girls want to sit on them such that neither of two boys nor two girls -Maths 9th
Last Answer : Since the chairs are numbered, so they are distinguishable. Therefore 3 boys can be arranged on 3 alternate chairs in 3! ways. 3 girls can be arrenged in 3! ways Also, the girls can be seated before the boys. Total number of required ways = 3! × 3! + 3! × 3! = 2 × (3!)2
Description : Four friends have 7 shirts, 6 pants and 8 ties. In how many ways can they wear them? -Maths 9th
Last Answer : 7 shirts can be worn by 4 friends in 7P4 ways. Similarly, 6 pants and 8 ties can be worn by 4 friends in 6P4 and 8P4 ways respectively. ∴ Total number of ways in which 7 shirts, 6 pants and 8 ties can be worn by 4 friends = 7P4 × 6P4 × 8P4 = 7! 3!
Description : A man has 6 friends. Number of different ways, he can invite 2 or more for dinner is -Maths 9th
Last Answer : He can invite one or more friends by inviting 1 friend, or 2 friends or 3 friends, or all the 6 friends.
Description : A person invites 15 guests for dinner and wishes to arrange them at two round tables that can accommodate 8 persons and 7 persons respectively. -Maths 9th
Description : What does paragraph 2 suggest about Richards feelings for ms Ballard's Why is he in such a hurry Is the code of the southern gentleman at work here or could there be more to his concern than that?
Last Answer : Need answer
Description : If the lengths of the sides of a triangle are in the ratio 6:11:15 and it's perimeter is 96cm , then the height corresponding to the longest side is -Maths 9th
Last Answer : LET EACH SIDE BE X 6X+11X+15X=96 32X=96 X=3 SIDES=6 3=18 11 3=33 15 3=45 AREA OF TRIANGLE BY HERONS FORMULA=S=96/2=48 WHOLE UNDERROOT 48 48-18 48-33 48-45 UNDERROOT=12 4 30 15 3 4 3 15ROOT2 180 ... bh/2 180root2=18 h/2 360root2=18h h=20 root2 But root 2=1.4(approx) h=20 1.4(approx) h=28cm(approx).
Description : The perimeter of a triangle is 50 cm. One side of a triangle is 4 cm longer than the smaller side and the third side is 6 cm less than twice the smaller side. -Maths 9th
Last Answer : Let the smallest side of the triangle be x cm long So, second side =(x+4)cm and third side =(2x−6)cm Given, perimeter =50cm Therefore, x+(x+4)+(2x−6)=50 ⇒4x=52 ⇒x=13cm So, first side of the triangle is ... =25cm Therefore, area of Δ=s(s−a)(s−b)(s−c) =25(25−13)(25−17)(25−20) =25 12 8 5 = 2030 cm2
Description : A right triangle with sides 6 cm, 8 cm and 10 cm is revolved about the side 8 cm. -Maths 9th
Last Answer : Since, the given right angled triangle is revolved about the side 8 cm, it will form a Cone of radius 6cm and height 8cm. Volume of a cone = 1/3∏r2h = 1/3 3.14 6 6 8 = 301.44 cm3 Curved Surface area of a cone ... value of l in (i), we get Curved Surface area of a cone = 3.14 6 10 = 188.4 cm2
Last Answer : According to question find the area of triangle.
Description : Write the coordinates of the vertices of a rectangle whose length and breadth are 6 and 3 units respectively, one vertex at the origin, the longer side lies on the y-axis and one of the vertices lies in the second quadrant. -Maths 9th
Last Answer : Solution :-
Description : The base of a right prism is an equilateral triangle with a side 6 cm and its height is 18 cm. Find its volume, -Maths 9th
Last Answer : Volume of a right prism = Area of base height. Since the base is an equilateral triangle of side 6 cm, Area of base = 3√434 x (side)2 = (3√4 62)(34 62)cm2 = 3√434 x 36 cm2 = 93-√93 cm2 ∴ Volume = (93-√93 x18) ... ) = (324 + 2 9√3 ) cm2 = (324 + 18√3 ) cm2 = (324 + 31.176) cm2 = 355.176 cm2.
Description : Draw an equiliateral triangle of height 3.6 cm. Draw another triangle similar to it such that its side is of the side of the first. -Maths 9th
Last Answer : hope this helps you
Description : In order to avoid hip dislocation after replacement surgery, the nurse teaches the patient which of the following guidelines? a) Never cross the affected leg when seated. Crossing the affected leg may result ... a chair. The patient should be taught to avoid bending forward when seated in a chair.
Last Answer : a) Never cross the affected leg when seated. Crossing the affected leg may result in dislocation of the hip joint after total hip replacement.
Description : There are 5 boys and 3 girls. In how many ways can they stand in a row so that no two girls are together? -Maths 9th
Last Answer : Have the 55 boys stand in a line. This can be done in 5!5! ways. For the moment, add a boy at each end, who will be removed when we're done. Now send the 33 girls, one at a time, to ... that each girl can either wedge herself between two boys or else stand next to a boy at one end or the other.
Description : Find the number of ways in which 10 different flowers can be strung to form a garland so that three particular flowers are always together -Maths 9th
Last Answer : Consider the three particular flowers as one flower. Then we have (10 – 3) + 1 = 8 flowers which can be strung in the garland. Thus the garland can be formed in (8 – 1)!, i.e., 7! ways But the 3 particular flowers can be arranged amongst themselves in 3!
Description : Two cubes of side 2 cm each are joined end to end. Find the volume of the cuboid so formed. -Maths 9th
Last Answer : When two cubes of side 2 cm each are joined end to end then, Length (l) = (2 + 2) = 4cm Breadth (b) = 2 cm; Height (h) = 2 cm ∴ Volume of cuboid = lbh = 4 x 2 x 2 = 16 cm3
Description : A right DABC with sides 5 cm, 12 cm and 13 cm is revolved about the side 12 cm. What is the volume of the solid so obtained ? -Maths 9th
Last Answer : From the figure it is clear that a cone is formed. Here, h = 12 cm, r = 5 cm Volume of cone = = 314 cm3