A dog takes 3 leas for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is:

A 8:5
B 9:7
C 9:5
D 8:7

Correct Answer: 9:5

খরগোশের 3 লাফ = কুকুরের 1 লাফ .:. খরগোশের 1 লাফ = কুকুরের 113লাফ .:. খরগোশের 5 লাফ = কুকুরের 53 লাফতাহলে কুকুরের গতিবেগ : খরগোশের গতিবেগ = 3: 53 = 9:5
Bissoy MCQ

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