Quant Logic

Cauchy-Schwarz inequality offers a quick solution to certain inequality problems. I myself came across at least 1 such question in last yea...

Pascal's Triangle. ( Each number in the triangle is the sum of the two directly above it) Source: Wikipedia.org (a + b) 2 = ...

Box - Ball concept  In how many ways one can arrange (a) 5 different balls in 3 different  boxes    --- very common in cat (b) 5 identica...

Set theory is one of the topics in quant where you can score easily if you apply logic well .. So practice is essential as far as set theor...

Leonhard Euler (1707-1783) Euler's theorem is a key concept used in solving remainder problems. In this article, we try to und...

CRT is one of the most handy tools that one can use to crack some complex remainder problems. Let's understand how we can...

This is one of the important concept of number system .Questions on remainders and factor are quite frequent in CAT these days . Lets see ...