speed of a boat in standing water is 7 km/hr and the speed of the stream is 1.5 km/hr. A distance of 7.7 km. going upstream is covered in ?

speed of a boat in standing water is 7 km/hr and the speed of the stre

1.	speed of a boat in standing water is 7 km/hr and the speed of the stream is 1.5 km/hr. A distance of 7.7 km. going upstream is covered in ?
A.	1 hr. 15 min.
B.	1 hr. 12 min.
C.	1 hr. 24 min.
D.	2 hr. 6 min.
Answer» D. 2 hr. 6 min.

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speed of a boat in standing water is 7 km/hr and the speed of the stream is 1.5 km/hr. A distance of 7.7 km. going upstream is covered in ?

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