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A tain is travelling at a speed of 90 km...

A tain is travelling at a speed of 90 km/h, crosses a bridge in 36 seconds. Another train which is 100 m smaller than the first is traveling at a speed of 45 km/h. In how much time will it cross the bridge.

A

64 sec

B

60 sec

C

66 sec

D

72 sec

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The correct Answer is:
A
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MOTHERS-TIMES & DISTANCE -CLASS ROOM EXERCISE
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  3. A tain is travelling at a speed of 90 km/h, crosses a bridge in 36 sec...

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  4. A tran crosses a pole in 15 seconds and a platform of length 100 m in ...

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  5. A train crosses two bridges of 800 m and 400 m in 100 seconds and 60 s...

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  6. A train crosses a platform 122 metre long in 17 sec. and a bridge of 2...

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  7. A train is traveling at a speed of 36 km/h and crosses a platform in 1...

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  10. The length of train A is 50% more than train B, coming from opposite s...

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  15. Two trains of same length running in opposite site direction crosses a...

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  16. A porter standing on platform find that a train crosses him in 4 sec. ...

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  18. A train crosses a man going along the railway track at 6 km/hr. The ma...

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  19. A man could see 400 m during fog when he was moving with 4 km/hr, he s...

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  20. Speed of 2 trains are 45 km/hr and 42 km/hr both are running in opposi...

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