Question

A policeman noticed a thief at a distance of 500 metres.

Q: Answer-A policeman noticed a thief at a distance of 500 metres. The policeman started running and the thief...

Let the speed of the policeman be x kmh. The thief runs at 15 kmh and was 500 meters 0.5 km ahead. Time taken to catch the thief is 15 minutes 0.25 hours. Relative speed x 15 kmh Distance 0.5 km Time 0.25 hours Using the formula Distance Speed Time 0.5 x 15 0.25 0.50.25 x 15 2 x 15 x 17

The policeman started running and the thief also started running at the same time. The thief is running at a speed of 15 km/h. It took 15 minutes for the policeman to catch the thief. Find the speed of the policeman (in km/h).

A 11

B 17

C 12

D 10

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