A person observed that he required 30 s time to cross a circular groun – McqOptions

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1.	A person observed that he required 30 s time to cross a circular ground along its diameter than to cover it one along the boundary. If his speed was 30 m/min, the the radius of the circular ground is ( take r 22/7 )
A.	10.5 m
B.	3.5 m
C.	5.5
D.	7.5 m
Answer» C. 5.5

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