Question
A dog takes 4 leaps for every 5 leaps of a hare but 3 leaps of a dog are equal to 4 leaps of the hare. Compare their speeds.
Answer: Option B
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Let the distance covered in 1 leap of the dog be x and that covered in 1 leap of the hare by y.
Then , 3x = 4y
x = 4/3 y
4x = 16/3 y.
Ratio of speeds of dog and hare = Ratio of distances covered by them in the same time
= 4x : 5y = 16/3 y : 5y =16/3 : 5 = 16:15
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