Official Quant thread for CAT 2013

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A cab give B 20 points, A can give C 32 points and B can give C 15 points. How many points make the game?

This question is from the topic of races and I couldn't get exactly what is required in this question..... plz help...

The ans is 100 points make the game...

A rectangle is constructed of lengths (2m - 1) and (2n - 1) units where m, n are natural numbers and small rectangles are inscribed in it by drawing parallel lines. Find the maximum number of rectangles that can be inscribed in it having odd unit length?

  • m n (m + 1)(n + 1)
  • m^2 - n^2
  • m^2 . n^2
  • 4^(m+n-2)

0 voters

There are 5 packers A, B, C, D, and E in a company. The five packers A, B, C, D and E charge $66,

$52, $46, $32, and $28, respectively, to pack each item. The time taken by the packers to pack one

item is 20 minutes, 24 minutes, 30 minutes, 40 minutes and 48 minutes, respectively. All the items are

sold at the end of the day. Each item earns a profit of 100 dollars, and the packers are paid from this

profit. If each packer works 8 hours a day, which packer contributes the most to the net profit of the packers ?/?

In triangle ABC internal bisector of angle A meets BC at D. AB=4 AC=3 angle A = 60. The lenght of AD?

What is the ratio of sides of the triangle given that the angles of the triangle are in ratio of 7:8:9 ?
-@A

A conical vessel of radius 6 cm and height 8 cm is filled with water .Asphere is loweres into the water and its size is such that it touches the sides of cone when immersed .find the radius of sphere and fraction of water overflows?
a)2.4 and 1/8

b)3 and 3/8
c)24/7 and 1/3
d)3.14 and 2/3
e)none of these


plz share the approach

6 white and 6 black balls of the same size are distributed among 10 urns so that there is atleast one ball in each urn. No. of ways ?? Plz post approach also.


11111.......11111 ->791 times is dt prime number?

Nancy purchased a consignment of c red roses at a cost of d dollars. She made bouquets with the roses and

each bouquet contained d roses. She sold each bouquet at a price of c dollars. Overall, she made a profit.

then c or d is greater ?why

Sharing a pdf I came across. Found it useful for quants

. rolleyes

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In how many ways can we distribute 3 identical red balls and 2 identical green balls into 3 different boxes?

please share your approach.....

what is the fastest way to find the minimum valu of the expression:


3x^2+4y^2+15x-6y+23
  • 9
  • -21
  • 44
  • 2

0 voters

Two circles are of different radius. MN is a common tangent. If PQM=130, find PRN

Ref attached fig.

If N is a natural number less than 100, then for how many values of N are the numbers 6N + 1 and

15N + 2 relatively prime?

(a) 16 (b) 10 (c) 33 (d) None of these

a box contains 2 white , three black and 4 red balls. the number of ways in which three balls can be drawn from the box so that at least one of the balls is black is:

1) 72 2) 84 3)64 4) 20

anyone from JNTU hYDERABAD?


A sequence 192, 360, 576……. is formed by multiplying the corresponding terms of two different

Arithmetic Progressions. What is the eighth term of the sequence?

(a) 2376 (b) 1040 (c) 2116 (d) None of these

N

(1) 3 (2) 1 (3) 2 (4) 0 (5) 4

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