alleryএকজন পদব্রজ যাত্রী 45 মিনিটে 3 km অতিক্রম করেন। km/h-এ গতিবেগ কত?
A5 km/h
B6 km/h
C4 km/h
D3 km/h
Answer & Solution
Correct answer: C. 4 km/h
45 মিনিট হল 0.75 ঘণ্টা, এবং 3 / 0.75 = 4 km/h।
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