alleryএজন কুৰিয়াৰে প্ৰথম ঘণ্টাত 30 km আৰু তাৰ পিছৰ দুঘণ্টাত 60 km চলায়। গড় দ্ৰুতি কিমান?
A40 km/h
B35 km/h
C30 km/h
D45 km/h
Answer & Solution
Correct answer: C. 30 km/h
3 hours-ত 90 km হ'ল গড়ে 30 km/h।
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