alleryএকজন ক্রীড়াবিদ 200 সেকেন্ডে তিনটি 400 মিটার ল্যাপ চালায়। গড় গতি কত?
A6 m/s
B4 m/s
C8 m/s
D5 m/s
Answer & Solution
Correct answer: A. 6 m/s
ক্রীড়াবিদ কভার করে 3 × 400 = 1200 মি, তাই গড় গতি হল 1200 ÷ 200 = 6 m/s।
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