1.

A man can row a boat upstream with a speed of 15 km/h and upstream with a speed of 9 km/h. The speed of the boat in still water will be -

A. 8 किमी/घंटा
B. 10 किमी/घंटा
C. 15 किमी/घंटा
D. 12 किमी/घंटा
Answer» E.


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