[Official] Quant Thread for 2015!

How to check cat's official mock scores?

Anyone whose cat centre is in patliputra, Patna morning shift

Suresh has a wooden board in the shape of a triangle of side 6 cm, 8cm, 10cm. He rotates the board around one of its sides by moving the vertex opposite that side . What is the minimum volume of the region formed by rotation of the board.

To all those who are looking for motivation around:

With just a few hours left for CAT most of you might have started feeling the pressure similar to a batsman who is batting on 90s. More than anyone else you need to trust yourself & look for the motivation inside you. You have done all the hard work and you need to execute your plans properly on the D-Day. You need to have a composed state of mind. Trust me, nothing would be more important on 29h November than a relaxed mind. Worrying at this time about the level of difficulty or outcome of the exam would only increase your nervousness. So, it's time to chill out. Do those things which you like for next two days (apart from solving questions of course!). Don't create too much hype in your mind about the exam. You might have screwed badly in your mocks but that won't matter at all this Sunday. Pakistan has a better head to head ODI record against India but we all know what happens when it's a World Cup game. Yeah, that should make you feel confident. A not so well prepared aspirant with a relaxed mindset would do better than a well prepared student with a nervous mindset. So it's time for you to give your best shot. Keep Calm & you shall nail it \m/ 

http://imgur.com/PCBZ4w1 

Easiest method ?

Let S be the set of five digit numbers by the digits 1,2,3,4,5., using each digit exactly once such that exactly two odd positions are occupied by odd digits. What is the sum of the digits in the rightmost position of the numbers in S?

A. 228 B. 216 C. 294 D. 192

How many 7 digit numbers are there in base 2? How many of these are divisible by 8 in base 10? How to approach this?


Six textbooks have to be distributed among 3 students – X, Y, Z such that X and Y receive at least one textbook each. In how many ways can the textbooks be distributed?

Guy, how to tackle, when there are these extensive tables and asked to find out 3rd or 4th rank ?

E.g. 3rd highest  percentage increase in no of tourists ?

http://imgur.com/PiXde1K

Sixteen persons - P1 to P16- are to be seated at a square table, which has four chairs along each side. What is the probability that P7 and P13 sit on two adjacent chairs on the same side?

2 candles A and B of equal height and different radii are lit simultaneously. A runs out in 6 hours and B in 8 hours. When was A half the height of B ?

Pls post the approach ..

If AB is a 300m long platform. At point M, which is 100 m from point A, a man is standing and he sees only in straight line which is normal to platform. There are two tracks in from of the man, track X is closer. If on track X , a train of length 60 m is running with speed of 20 m/s from A to B & on track Y , another train of length 400 m is running with speed of 50 m/s from B to A. If train whose speed is 20 m/s reaches A at the same time when train whose speed is 50 m/s reaches at B. If both trains crosses the platform then , how much length of faster train would be visible to man. a. 400 m b. 0 c. 250 m d. 120 m e. NoT

Each piglet in a litter was fed with a total of 1kg of oats and barley. Each piglet was fed with a certain quantity of oats and a certain quantity of barley. The ratio of the amount of oats and barley that each piglet was fed with was not necessarily the same. One of the piglets was fed with one eighth of the total amount of oats and one tenth of the total amount of barley that the entire litter was fed. Find the number of piglets in the litter. 

Approach for 32^32^32..

no of real roots of the equation?

(x + 1/x)^2 + 5(x + 1/x) + 6 = 0

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‪#‎1WeekToCAT2015‬

FINAL REVISION BYTES#6- Increase your accuracy.

http://iimraipur.blogspot.in/2015/11/cat-preparation-how-to-increase_27.html

Can someone please suggest a good source to brush up all kinds of games and tournaments questions? TIA


No of common terms between  the series 1.6,11,16.......1001 and  2,6,12,20...930  ?

FInd the maximum number of closed regions formed by 4 lines in a circle ?

Find the total number of terms in (1 + x^3 + x^5)^13 ?

P.S : Pls share your approach.

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