In a matching problem, there are two columns. The first column has 4 statements whereas the second column has 5 statements. Every statement of the first column is to be matched with exactly one statement of the second column. In how many different ways can one student match… | UPSC CAPF 2026 Q No 67

Accepted Answer: (A) 120

Topic Covered: Quantitative Aptitude and Reasoning

Key Concept: Mathematical relationships, counting and logical analysis

Each of the four statements in the first column must be matched with a distinct statement among five choices. Therefore the count is the permutation P(5,4) = 5 × 4 × 3 × 2.

The key is to apply the central fact, formula, definition or relationship tested in the question and then eliminate alternatives that do not satisfy it.