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Question

A train is moving at a constant speed.
If the train covers 50 km in 2 hours, how much time would it take to cover 100 km?

A
2 h
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B
8 h
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C
6 h
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D
4 h
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Solution

The correct option is D 4 h

Given:
Distance travelled in 2 h=50 km.
Speed = DistanceTime .
Speed=502 = 25 km h1
Now, to travel 100 km at the same speed as given above,
Speed =25 km h1 =DistanceTime
Time =100 km25 km h1

Time =10025=4 h.


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