What is the difference between ordered and unordered pairs? This is a fairly common question.

# Category: Combinatorics

## 2IIM Online CAT Coaching – Earn your discount Qn 4

This is the day 4 post of the challenge quiz week by 2IIM Online CAT

## 2IIM Online CAT Preparation – Earn your discount Qn 3

This is the day 3 post of the challenge quiz week by 2IIM Online CAT

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

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

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

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 Preparation Online – Permutation and Combination

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

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

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

## CAT Permutation Combination and Functions

Question How many functions can be defined from Set A — {1, 2, 3, 4}