allery1000 m ની દોડમાં A 10 m/s ની ઝડપે દોડે છે અને 100 m થી જીતે છે. B કેટલી ઝડપે દોડે છે?
A8.5 m/s
B9 m/s
C9.5 m/s
D8 m/s
Answer & Solution
Correct answer: B. 9 m/s
A 100 સેકન્ડ લે છે; B તે સમયમાં 900 m અંતર કાપે છે, જે 9 m/s થાય છે.
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