A thief is noticed by a policeman from a distance of 380 m. The thief starts running and the policeman chases him. The thief and policeman run at the speed of 25 m/sec and 30 m/sec respectively. What is the time taken by the policeman to catch the thief?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 76 sec.
The thief and policeman run at speeds of 25 m/sec and 30 m/sec respectively
Relative speed = 5 m/sec
Distance between then = 380m
Time taken = Distance/Speed
Time taken = 380/5 = 76 sec