Question
In a 2.4 km race, 'M' allows 'N' a head start of 600 metres
and still defeats him by 300 metres. If 'N' takes 24 minutes to complete the race, how long does 'M' take?Solution
ATQ,
Distance covered by 'N' when 'M' runs 2400 m = 2400 - 600 - 300 = 1500 m
Speed ratio (M : N) = 2400 : 1500 = 8 : 5
Time ratio = 5 : 8
Time taken by M = (24/8) Ă— 5 = 15 minutes
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