A dog takes 4 leaps for every 5 leaps of a hare but 3 leaps of the dog is equal to 4 leaps of the hare. Compare their speeds :

A 19 : 18
B 20 : 19
C 16 : 15
D 18 : 17

Correct Answer: 16 : 15

কুকুরের ৩ লাফের দূরুত্ব = খরগোশের ৪ লাফের দূরুত্ব কুকুরের ৪ লাফের দূরুত্ব = খরগোশের = ( ৪ × ৪)/৩ লাফের দূরুত্ব = ১৬/৩ লাফের দূরুত্ব কুকুরের গতিবেগ : খরগোশের গতিবেগ = ১৬/৩ : ৫ = ১৬ : ১৫
Bissoy MCQ
#গণিত #Agrani bank Ltd #Agrani bank Ltd - Senior Officer - 09.06.2017 #distance & speed) #দূরত্ব ও গতিবেগ (Time #সময়

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