Official Quant thread for CAT 2013

amresh_singh · August 30, 2013, 7:29am

@Asfakul
Neha has 12 chocolates . 4 similar kitkats , 5 similar Perks, 3 similar Milky Bars which she wants to distribute among her friends. In how many ways can Neha give away one or more chocolates?I have the solution with me but I want to know why the answer is not 4*5*3=60 . instead the answer is (5)(6)(4)-1 =119 I want to know why . @psk.becks @Papasappies @scrabbler @chillfactor please take a look.

how many friends she has??

psk.becks · August 30, 2013, 7:45am

A triangle has sides AB = 3 , AC = 4 , BC = 5 . A point D lies on side BC such that the incircles of triangle ADC and triangle ADB touch AD at a common point.Find the length of AD.
a. 2
b. root(5.8)
c. root(6.4)
d. root(7.2)

greenmutant · August 30, 2013, 7:53am

Hullo Puys! How important is Statistics for CAT? Is it even a part of the syllabus (if there's any)?

prernatyagi · August 30, 2013, 8:53am

What is the range of a^b if 0

ans: 1

pls tell the approach..

ondunderneath1 · August 30, 2013, 8:54am

Which of the following are factors of 3^259 + 2^296?
(i) 16 (ii) 349 (iii) 2443

plz post your approach.

ooook · August 30, 2013, 9:39am

HELLO PUYs..

i am getting call from GSBA greater noida for admission..i dont hav mat cat or any other exams scorecard still they r calling for admission..they r tellin this college has 100 pecent placement with multiple offers..can ne1 suggest is it worth taking admission in GSBA GREATER NOIDA r taking mba entrance xams 13-14..i am not expecting good scores..plz suggest...

damselkrutti · August 30, 2013, 10:26am

Two Boxes contain 4 and 16 balls respectively. 2 & 4 balls from 1st and 2nd respectively are black . if a box is randomly chosen and 2 balls are drawn from it,what is the probability that at least one ball is black..Please Explain the concept related to it...😴

damselkrutti · August 30, 2013, 10:41am

In a class of 10 students no two students got the same rank ,if there are three girls in the class ,what is the probability that the worst rank among the girls if 5 ??

swarup123 · August 30, 2013, 10:43am

How many 6 digit numbers consisting only of 6 and 8 are divisible by 3 ?🍻

swarup123 · August 30, 2013, 10:45am

If set a consists of 5 elements and set b consists of 4 elements , how many different onto mappings from a to b are possible ?🍻

damselkrutti · August 30, 2013, 10:53am

The lcm of p and 180 is 720 & the HCF of p and 150 is 30 . find the sum of digits of p ??

psk.becks · August 30, 2013, 10:58am

A number ABC(a,b,c are distinct) when increased by 33.33 percent becomes CAB . CAB when increased by 33.33 percent becomes BCA.How many such numbers are there.
a . 0
b . 1
c . 2
d . 3

rajat_cat · August 30, 2013, 11:03am

guys need a help with this question

damselkrutti · August 30, 2013, 11:05am

Question from function image attached ..please explain...

damselkrutti · August 30, 2013, 11:06am

Question from FUNCTIONS image attached please explain the concept..

damselkrutti · August 30, 2013, 11:08am

Question From Functions Please explain the concept...😴Image attached..

asfakul · August 30, 2013, 11:13am

Can somebody explain ?

damselkrutti · August 30, 2013, 11:17am

Question from LOGARITHM..Please explain.. IMage attached

buck.up · August 30, 2013, 11:40am

solve

prernatyagi · August 30, 2013, 11:50am

If AB^2=CCDD and A,B,C,D can be same digits but minimum one is greater than 0

then A+B+C+D =?

ans: 27......pls share d approach