If a train covers 50 km in 2 hours- how much time would it take to cover 100 km -A- 4 hoursB- 8 hoursC- 6 hoursD- 2 hours

The correct option is A 4 hours We know that, Speed = Distance /Time Speed is same in both the case. So time taken will be: 50/2 = 100/t = gt; t = 4 hours ...

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Standard VII

Physics

Average Speed

If a train co...

Question

If a train covers 50 km in 2 hours, how much time would it take to cover 100 km?

4 hours

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8 hours

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6 hours

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2 hours

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Solution

The correct option is A
4 hours

We know that, $S p e e d = \frac{D i s t a n c e}{T i m e}$

Speed is same in both the case. So time taken will be:

$\frac{50}{2} = \frac{100}{t}$
=> t = 4 hours

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If a train covers 50 km in 2 hours, how much time would it take to cover 100 km?

The correct option is A 4 hours We know that, Speed=DistanceTime Speed is same in both the case. So time taken will be: 502=100t => t = 4 hours

The correct option is A
4 hours

We know that, $S p e e d = \frac{D i s t a n c e}{T i m e}$

Speed is same in both the case. So time taken will be:

$\frac{50}{2} = \frac{100}{t}$
=> t = 4 hours