1.

A thief runs away from a police station with a uniform speed of 100 m/minute. After 1 minute a policeman runs behind the thief to catch him. He goes at a speed of 100 m/ minute in first minute and increases his speed by 10 m/ minute in each succeeding minute. How many minutes will the policeman take to catch the thief?

Answer»


ANSWER :SINCE n cannot be NEGATIVE, the time taken by the policeman to catch the thief = 5 minutes.


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