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Question : Two trains are moving in the same direction at 36 km/hr and 48 km/hr. The time taken by the faster train to cross a man sitting in the slower train is 33 seconds. What will be the length of the faster train?

Option 1: 770 metres

Option 2: 90 metres

Option 3: 110 metres

Option 4: 180 metres


Team Careers360 2nd Jan, 2024
Answer (1)
Team Careers360 9th Jan, 2024

Correct Answer: 110 metres


Solution : Relative speed = 48 – 36 = 12 km/hr = 12 × $\frac{5}{18}$ = $\frac{10}{3}$ m/s
Time taken = 33 seconds
Distance = $\frac{10}{3}$ × 33 = 110 metres
Length of the faster train = 110 metres
Hence, the correct answer is 110 metres.

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