alleryA আৰু B-য়ে একেটা পথ 45 আৰু 30 মিনিটত অতিক্ৰম কৰে। সিহঁতৰ গতিবেগৰ অনুপাত হ'ল
A3 : 2
B4 : 9
C9 : 4
D2 : 3
Answer & Solution
Correct answer: D. 2 : 3
গতিবেগ সময়ৰ সৈতে ব্যস্তানুপাতিকভাৱে পৰিৱৰ্তিত হয়, গতিকে A : B = 30 : 45 = 2 : 3।
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