allery200 મીટરની દોડમાં A એ B ને 20 મીટરથી હરાવ્યું. A 10 m/s ની ઝડપે ચાલે છે. B ની ઝડપ શું છે?
A8 m/s
B9 m/s
C8.5 m/s
D9.5 m/s
Answer & Solution
Correct answer: B. 9 m/s
A 20 સેકન્ડમાં સમાપ્ત થાય છે, જે દરમિયાન B 180 મીટર આવરી લે છે, જે 9 m/s આપે છે.
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