This post had given a series of questions with incorrect solutions. Given below are the

## CAT Online Coaching – Permutation and Combination, Fixing the Errors

This post had given a series of questions with incorrect solutions. Given below are the

## CAT Online Preparation – Permutation and Combination

Permutation and Combination is a classic topic where getting something wrong is often more instructive

## CAT Online Class – Interesting one from Number Systems

Question Actually, this is not a CAT preparation question. This is way tougher than what

## CAT Linear Equations

Question A system of equations has 3 equations 3x + 4y + 5z = 11, 4x + 5y +

## CAT Preparation Online – Permutation and Combination

Question Product of the distinct digits of a natural number is 60. How many such

## CAT preparation – Ratio and Proportion (Tough)

Question John has chocolates of types A and B in the ratio 3 :

## CAT Preparation Online – Tough one from Permutation and Combination

Question A wonderful, but very tough question from Permutation and Combinations. In how

## CAT Preparation Online – A simple question from Quadratic Equations

Questions x^2 – 17x + |p| = 0 has integer solutions. How many values can

## CAT Preparation Online – Simple one from Quadratic Equations

Question How many integer solutions exist for the equation x2 – 8|x| – 48 =0?