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

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1.	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 ?
A.	12 km/hr
B.	22 km/hr
C.	33 km/hr
D.	44 km/hr
Answer» B. 22 km/hr

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