alleryএকজন ওয়াকার 1/4 ঘণ্টায় 900 m কভার করে। কিমি/h এ গতি কত?
A3.6 km/h
B0.9 km/h
C2.4 km/h
D4.5 km/h
Answer & Solution
Correct answer: A. 3.6 km/h
যেহেতু 900 m হল 0.9 km, গতি হল 0.9 ÷ 1/4 = 3.6 km/h।
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