A thief running at 8 km/hr is chased by a policeman whose speed is 10 km/hr. If the thief is 100 metres ahead of the policeman, then the time required for the policeman to catch the thief will be
- (a)2 minutes
- (b)6 minutes
- (c)10 minutes
- (d)3 minutes
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Official answer(d) 3 minutes