allery200 m दौड़ में A B को 20 m से हरा देता है। A 10 m/s पर चलता है। B की गति क्या है?
A8 m/s
B9 m/s
C8.5 m/s
D9.5 m/s
Answer & Solution
Correct answer: B. 9 m/s
A 20 सेकंड में समाप्त होता है, जिसके दौरान B 180 m को कवर करता है, जिससे 9 m/s मिलता है।
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