Subject: General Aptitude · Chapter: Time and Distance · Exam: · Marks: · Difficulty:
A thief is spotted by a policeman from a distance of 100 metres. When the policeman starts the chase, the thief also starts running. If the speed of the thief be 8 km / hr and that of the policeman 10 km / hr, how far the thief will have run before he is overtaken?
Answer
Answer (as printed):
Explanation
Relative speed of the policeman = (10 – 8) km / hr = 2 km / hr. 100 1 1 Time taken by policeman to cover 100 m = × hr = hr. 1000 2 20 1 In hrs, the thief covers a distance of 8 × 1 km = 2 km = 400 m. 20 20 5
Explanation as extracted from the printed page; notation may be imperfect.