Assume your usual speed is 10 km/hr. It takes 3 hrs from your house to your friend's house, if you walk at this speed. Then how long will it take to cover a distance of 50 km with the same speed?

4 hrs

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3 hrs

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5 hrs

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None of these

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Solution

The correct option is C
5 hrs

As the speed is constant here, distance and time vary directly, which means if you have to cover more distance, you take more time to cover it.

Here, as the speed is 10 km/hr, ie, 10 kms in one hour. So to cover 50 km, you'll take 5 hrs.

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Assume your usual speed is 10 km/hr. It takes 3 hrs from your house to your friend's house, if you walk at this speed. Then how long will it take to cover a distance of 50 km with the same speed?

The correct option is C 5 hrs As the speed is constant here, distance and time vary directly, which means if you have to cover more distance, you take more time to cover it. Here, as the speed is 10 km/hr, ie, 10 kms in one hour. So to cover 50 km, you'll take 5 hrs.

The correct option is C
5 hrs

As the speed is constant here, distance and time vary directly, which means if you have to cover more distance, you take more time to cover it.

Here, as the speed is 10 km/hr, ie, 10 kms in one hour. So to cover 50 km, you'll take 5 hrs.