Question

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

Answer 1

Answer:

the answer is six minutes