[Official] Quant Thread for 2015!

Maximum value of 1/(5x^2 + 9x - 11) ?

Find the number of positive divisors of N^2 such that positive divisors are less than N and do not divide N for N= 2^17*3^9*5^3 A. 1936 B.1724 C.1564 D.1832 E.1606

Dear readers,

This quiz consists of questions from various past papers of MBA entrance exams. Leave your answers/ responses in the comments section below and soon we'll let you know the correct answers!

Directions (Qs. 1 to 10): Follow the given Instructions:

Each item has a question followed by two statements

Mark (a), if the question can be answered with the help of statement A alone,

Mark (b), if the question can be answered with the help of statement B alone,

Mark (c), if the question can be answered with the help of both the statements but not with the help of either statement itself,

Mark (d), if the question cannot be answered even with the help of both the statements.

1. The average of three quotations for a particular item is Rs.120. Is the highest quotation less than or equal to Rs.139?

A. The lowest quotation is Rs.90

B. One of the Quotation is Rs.125.                

2. What was the cost price of the suitcase purchased by Richard?

A. Richard got 20% concession on the labeled price

B. Richard sold the suitcase for Rs. 2000/- with 25% profit on the labeled price

3. A bus started from bus stop P, developed engine trouble and reached bus stop Q, 40 minutes late. What is the distance between bus stops P and Q?

A. The engine trouble developed after traveling 40 kms from Bus stop P and the speed reduced to 1/4th of the original speed.

B. The engine trouble developed after traveling 40 kms from Bus stop P in two hours and the speed reduced 1/4th of the original speed.

4. What is the value of prime number X?

A. X + Y is a two-digit number greater than 50.

B. Y is a two-digit number.

5. What is the time difference in Nairobi and Mumbai?

A. The departure time at Nairobi is exactly 6 p.m. local time and the arrival time at Mumbai is next day 3 am local time.

B. The flight time is 6 hours.

6. Sujata is the eldest daughter. What is the current age of her father?

A. Current age of Sujata is 25 Years and current age of her sister Sangeeta is 20 years.

B. Sangeeta's current age is one third of father's age five years before.

7. Alka has 2 sisters and 1 brother. How many sisters Sandhya have?

A. Alka and Sandhya are sisters.

B. Sandhya has one brother.

8. Madhav likes car X because its cost is Rs. 5 lac cheapest in C segment and Makarand likes car Y because it costs Rs.7 Lac highest in C segment. Which vehicle will be selected by Keshav?

A. Keshav is looking for a car which is average representation of C segment.

B. Keshav's budget is around Rs. 5.5 lac.

9. The total of the present ages of A, B, C and D is 96 years. What is B's present age?

A. The average age of A, B and D is 20 years

B. The average age of C and D is 25 years

10. B alone can complete a work in 12 days. How many days will A, B and C together takes to complete the work?

A.  A and B together can complete the work in 3 days

B.  B and C together can complete the work in 6 days

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Answers

1(c)    2(c)     3(b)    4(d)     5(c)     6(c)   7(a)    8(d)     9(d)    10(c)   

If X = 1/(90)(46) + 1/(89)(47) +...+1/(46)(90)

Y = 1-1/2+1/3-1/4+...-1/90

then Y:X is-

a) 3/68  b)1/34  c) 1/68  d) 1/16

Remainder when 35x36x37.....67 divided by 289. Solution plzz

Help me with the solution:

A and B decide to meet between 5 pm and 7 pm. It was decided that each will wait for the other for 20 mins and if the other person didnt come, he would leave. Find probability of their meeting.

Eric throws two dice, and his score is the sum of the values shown. Sandra throws one die, and her score is the square of the value shown. What is the probability that Sandra's score will be strictly higher than Eric's score?

1/(2)(5)(8) +1/(5)(8)(11) +1/(8)(11)(10)+.. upto 15 terms = 

please explain the approach!!

Find the number of integral solutions to abc = 231.

8 numbered chairs are there in a circle. 4 boys and 4 girls are to be seated such that no 2 of the boys or the girls sit together. Find the number of ways.

Can someone share questions to practice for cube related problems? @miseera sir

Thanks in advance!

Find the sum of the coefficients of the terms x^139 and x^140 in the expansion of (1+x)^250. x^0 + (1+x)^249 .X^1 + (1+x)^248.x^2+...+ (1+x)^0.x^250-

please explain the solution-

Mr.A has to divide his assets worth 30Crores in 3 partsto be given to three of his sons ensuring that each sons get atleast 5crores . In how many ways this can be doneif it is given that three sons should get their share in multiple of 1 crores?

A coin is tossed 7 times .How many ways exist such that no 2 consecutive heads appear

There are 3 piles of 10 balls of red, green and blue. Balls of any one colour are identical. Find the number of ways of selecting 10 balls such that there are twice as many red balls as green balls.

Find the number of numbers having more than 1 digit such that the digits of the number are in strictly ascending order.

3 fair coins are tossed. Find the probability that all of them show tails if one of the coins shows tail.

Find the number of zeroes after the decimal point in (3/4)^500, given that log 3= 0.4771 and log 2= 0.3010

A and B throw a die alternatively such that if anyone gets 3, he wins. A starts the game. Find the probability of winning of B.

Number system k notes hai kisi k pass..?