Question

A theif runs from a police station at a uniform speed of 100m/min. After a minute, a policeman runs behind the theif at the speed of 100m/min for the first minute and increases his speed10m/min each succeding minute. After how many minutes will policeman catch the theif? ​

Answer 1

first minute for police 100

2nd 210

3rd 320

4rd 430

so after 9 min = 980m

nd 12 sec = 20 mts

so 9 min 12 sec only

Answer 2

5 mins for sure............