The brightness of a lightning event was seen at 19:06:17 hr, whereas the sound of the thunder in the same process was heard at 19:06:23 hr. If the speed of the sound is 320 metres per second, then which of the following is the distance in metres between the clouds that prod… | UPSC CAPF 2026 Q No 60

Accepted Answer: (C) 1920

Topic Covered: Quantitative Aptitude and Reasoning

Key Concept: Mathematical relationships, counting and logical analysis

The correct option follows from the underlying quantitative, logical or geographical relationship. “1920” is obtained by applying the defining rule, formula, map fact or classification relevant to the question.

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.