Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Speed Time and Distance Relative Speed
A thief noticed a policeman at a distance of 400 m. Then the thief started running and the policeman chased him. The thief and policeman are running at the rate of 10 km and 12 km per hour, respectively. Find the time required for the policeman to catch the thief.
1
12 minutes
2
10 minutes
3
15 minutes
4
8 minutes