Official Quant thread for CAT 2013

@joyjitpal @falcao here.
@Dazed-Confused @Smoke.7ore
:banghead: 😠😠
lookroundlookroundlookround
@giyan

A greedy rice seller claims to sell rice at cost price. But his customers don't know that he uses a weight which is 9% less than the actual weight and his rice have 30% impurities added. What is the profit percentage of the seller?(a) 20% (b) 43%(c) 60%(d) None of these

Out of 16 students writing cat, 4 are not from A or B, 5 are from B but not A and 7 are from A not B. 4 students out of these got selected into IIM's (lucky ones 😛 )..What is the probability that atleast 1 of these 4 belongs to A ?


A and B are two players, each throwing two dice on his turn, with A starting first and players taking turns alternately. A wins if he throws an 8 and B wins if he throws a 7. What is the probability of A winning the game ?

K is a 3 digit no. such that the ratio of the number to the sum of the digits is least. What is the difference between the hundreds and the tens digit of K?
:mg:

What is the tens digit of 21^476 + 25^476?
a)2
b)4
c)5
d)6

TG Question :

K=series of sum squares of consecutive natural nos starting from 1 up to m terms, where mIf K is divisible by 4, then how many values of M can exist?

20^2004 + 16^2004 - 3^2004 - 1 is divisible by:


(a) 317 (b) 323 (c) 253 (d) 91

oa-? har baar phas jata hu plz show easy approach

oa-?

3 14 31 __ 91

??

oa-?

oa-?

Any shortcut how to find which ratio highest- 185/146, 242/182, 254/169/, 188/126

Profit percentage decrease by 60percentage when cost price increased by 20% and selling price is decreased by 16% . what must be the original profit percentage. ?


dear friends could you tell ibps socialist officer preparation.......