allery200 మీటర్ల రేసులో A 20 మీటర్ల తేడాతో Bని ఓడించింది. A 10 m/s వేగంతో నడుస్తుంది. B యొక్క వేగం ఎంత?
A8 m/s
B9 m/s
C8.5 m/s
D9.5 m/s
Answer & Solution
Correct answer: B. 9 m/s
A 20 సెకన్లలో ముగుస్తుంది, ఆ సమయంలో B కవర్ 180 m, 9 m/s.
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