A man is walking at a speed of 15 km per hour. After every kilometre, he takes rest for 3 minutes. How much time will he take to cover a distance of 4 km?

25

min

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30

min

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20

min

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35

min

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Solution

The correct option is A $25$ min
Speed $= 15 k m / h r$ .

Total distance to be covered $= 4 k m$ .

Time taken to cover $1 k m = 4 m i n$ .

Given:After every kilometre, he takes rest for $3$ minutes.

Hence total time taken $= 4 + 3 + 4 + 3 + 4 + 3 + 4 = 25 m i n$

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A man is walking at a speed of 15 km per hour. After every kilometre, he takes rest for 3 minutes. How much time will he take to cover a distance of 4 km?

The correct option is A 25 minSpeed =15 km/hr. Total distance to be covered =4 km. Time taken to cover 1 km=4 min. Given:After every kilometre, he takes rest for 3 minutes.Hence total time taken =4+3+4+3+4+3+4=25 min

The correct option is A $25$ min
Speed $= 15 k m / h r$ .

Total distance to be covered $= 4 k m$ .

Time taken to cover $1 k m = 4 m i n$ .

Given:After every kilometre, he takes rest for $3$ minutes.

Hence total time taken $= 4 + 3 + 4 + 3 + 4 + 3 + 4 = 25 m i n$