The speed of boat in still water is 8 km/hr more than the speed of current. If a boat takes total 11 hr to cover 32 km

April 9, 2024

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The speed of boat in still water is 8 km/hr more than the speed of current. If a boat takes total 11 hr to cover 32 km downstream and 40 km upstream. Find the speed of boat in still water.

(a) 7.61 km/hr

(b) 6.66 km/hr

(d) 4.67 km/hr

Sol:

U = B – S = 8

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