alleryএজন পদযাত্ৰীয়ে 45 minutes-ত 3 km অতিক্ৰম কৰে। km/h-ত দ্ৰুতি কিমান?
A5 km/h
B6 km/h
C4 km/h
D3 km/h
Answer & Solution
Correct answer: C. 4 km/h
45 minutes হ'ল 0.75 hour, আৰু 3 / 0.75 = 4 km/h।
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