alleryএকটি বিমান 2.5 ঘণ্টায় 1,800 km ওড়ে। এর গতিবেগ কত?
A720 km/h
B750 km/h
C680 km/h
D700 km/h
Answer & Solution
Correct answer: A. 720 km/h
1800 / 2.5 = 720 km/h।
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