If a boat goes 7 km upstream in 42 minutes and the speed of the stream – McqOptions

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1.	If a boat goes 7 km upstream in 42 minutes and the speed of the stream is 3 kmph, then the speed of the boat in still water is
A.	12 kmph
B.	13 kmph
C.	14 kmph
D.	15 kmph
Answer» C. 14 kmph

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