Question
Walking at the rate of 4 km an 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/hour, the time taken by him is
Answer: Option B
Answer: (b)Using Rule 1,Distance covered on foot= 4 × 3$3/4$ km. = 15 km.Time taken on cycle= $\text"Distance"/\text"Speed" = 15/{16.5}$ hour= ${15 × 60}/{16.5}$ minutes= 54.55 minutes
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Answer: (b)Using Rule 1,Distance covered on foot= 4 × 3$3/4$ km. = 15 km.Time taken on cycle= $\text"Distance"/\text"Speed" = 15/{16.5}$ hour= ${15 × 60}/{16.5}$ minutes= 54.55 minutes
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