alleryএজন খেলুৱৈয়ে 200 s ত তিনিটা 400 m লেপ দৌৰে। গড় গতি কিমান?
A6 m/s
B4 m/s
C8 m/s
D5 m/s
Answer & Solution
Correct answer: A. 6 m/s
খেলুৱৈজনে 3 × 400 = 1200 মিটাৰ সামৰি লয়, গতিকে গড় গতি 1200 ÷ 200 = 6 m/s।
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