1. Walking at the rate of 4 km per hour, a man covers a certain distance in 3 hours 45 minutes. If he covers the same distance on cycle, cycling at the rate of 16.5 km/hours, the time taken by him is
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By: anil on 05 May 2019 02.25 am
Speed of man = 4 km/hr and time taken = 3 hrs and 45 minutes = $$3frac{3}{4}=frac{15}{4}$$ hours => Distance = speed $$ imes$$ time = $$4 imesfrac{15}{4}=15$$ km Speed of cycling = 16.5 km/hr => Time taken while cycling = $$frac{15}{16.5}=frac{10}{11}$$ hours = $$frac{10}{11} imes60approx54.55$$ minutes => Ans - (B)
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