A train takes 30 seconds to cross a platform at 63 km/h. Then the train takes 18 seconds to cross a person cycling at 9 km/h in the same direction as the train. Find the ratio of the length of the train to the length of the platform.
Subject: Mathematics | Topic: Arithmetic | Difficulty: MEDIUM
Options
- (A) 8 : 7
- (B) 10 : 9
- (C) 21 : 19
- (D) 18 : 17
Verified Answer
Option (D): 18 : 17
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