Maths 1

Permutations & Combinations – Problems

Permutations & Combinations – Problems Example 1: A question paper is divided into a sections A, B, C containing 3, 4, 5 questions respectively. Find the number of ways of attempting 6 questions choosing at least one from each section. Solution: First Method: The selection of a question may be of the following Section (A) Read more about Permutations & Combinations – Problems[…]