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A thief runs with a uniform speed of 100...

A thief runs with a uniform speed of 100 m/min. After one minute a policeman runs after the thief to catch him. He goes with a speed of 100 m/min in first minute and increases his speed by 10 m/min every succeeding minute. After how many minutes the policeman will catch the thief.

A

60 min

B

50 min

C

1 hr 5 min

D

15 min

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The correct Answer is:
A
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