Eduwhere's Puzzle: Permutation & Combination
Permutation & Combination from the Quantitative Aptitude is an important topic for various competitive exams including banking, management, railways, etc.
Here is a set of questions related to Permutation and Combination which will help you to brush up your skills. But before attempting this, ensure that you are aware of all the important formulae in Permutation and Combination section.
Mention the correct answer in the Comments section.