Speed of a man is 10 km/hr in still water. If the rate of current is 3 – McqOptions

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1.	Speed of a man is 10 km/hr in still water. If the rate of current is 3 km/hr, then the effective speed of the man upstream is ?
A.	8.5 km/hr
B.	7 km/hr
C.	9 km/hr
D.	None of these
Answer» C. 9 km/hr

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