Question
Download Solution PDFA policeman starts chasing a thief when he was already 600 m ahead. If the policeman is running at a speed of 9 km/h and the thief at 8 km/h, then the thief would be caught at a distance of:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Distance between policeman and thief = 600 m
Speed of policeman = 9 km/h
Speed of thief = 8 km/h
Formula used:
Distance = relative speed × time
Calculation:
Distance = relative speed × time
⇒ 600 = (9 - 8) × (5/18) × time
⇒ Time = (600 × 18)/5 = 120 × 18
⇒ Time = 2160 sec = (2160/3600) hours
Distance covered by policeman = 9 × (2160/3600)
⇒ (9 × 3)/5 = 5.4 km
∴ The correct answer is 5.4 km.
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