If a boy walks a distance of 30 m in 12 sec, then what is his speed in

1.	If a boy walks a distance of 30 m in 12 sec, then what is his speed in km/h?
A.	3
B.	9
C.	12
D.	6
Answer» C. 12

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If a boy walks a distance of 30 m in 12 sec, then what is his speed in km/h?

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