Q. A train crosses a standing man in 7 seconds and crosses a platform in 21 seconds. What is the ratio of train length to platform length?

(A) 1:2
(B) 1:3
(C) 1:4
(D) 2:3

✅ Correct Answer: (A) 1:2

Explanation: Length ratio = 7 : (21−7) = 7:14 = 1:2.

Published by Hriday ⭐ 575 Points at 29-Dec-2025 07:35 am in Math

Explanation by: Hriday

Length ratio = 7 : (21−7) = 7:14 = 1:2.

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