a ship sails out to a mark at the rate of 15 kmph. and sails back at the rate

Question

a ship sails out to a mark at the rate of 15 kmph. and sails back at the rate of 10 kmph. the average rate of sailing is ?

Options:

A . 12 km/hr

B . 22 km/hr

C . 33 km/hr

D . 44 km/hr

Answer: Option A
Explanation :

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