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Question : A train moves at a speed of 30 m/s and crosses a bridge of length 650 metres in 50 seconds. What is the length of the train?

Option 1: 1000 m

Option 2: 900 m

Option 3: 850 m

Option 4: 750 m


Team Careers360 21st Jan, 2024
Answer (1)
Team Careers360 22nd Jan, 2024

Correct Answer: 850 m


Solution : Speed of train = 30 m/s
Time = 50 s
Length of bridge = 650 metres
Let $l$ be the length of the train.
Total distance = $l+650$
Total distance = Speed × time
⇒ $l+650 = 50 × 30$
⇒ $l = 1500 - 650 = 850$ m
Hence, the correct answer is 850 m.

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