A motorboat covers a certain distance downstream, in a river in 3 hours. It covers the same distance upstream in 3 hours and a half. If the speed of water is 1.5 km/hr, then the speed of the boat in still water is:
(a) 17 km/hr
(b) 19.5 km/hr
(c) 17.5 km/hr
(d) 19 km/hr

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A motorboat covers a certain distance downstream, in a river in 3 hours. It covers the same distance upstream in 3 hours and a half. If the speed of water is 1.5 km/hr, then the speed of the boat in still water is: (a) 17 km/hr (b) 19.5 km/hr (c) 17.5 km/hr (d) 19 km/hr

A motorboat covers a certain distance downstream, in a river in 3 hours. It covers the same distance upstream in 3 hours and a half. If the speed of water is 1.5 km/hr, then the speed of the boat in still water is:
(a) 17 km/hr
(b) 19.5 km/hr
(c) 17.5 km/hr
(d) 19 km/hr

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A motorboat covers a certain distance downstream, in a river in 3 hours. It covers the same distance upstream in 3 hours and a half. If the speed of water is 1.5 km/hr, then the speed of the boat in still water is: (a) 17 km/hr (b) 19.5 km/hr (c) 17.5 km/hr (d) 19 km/hr

A motorboat covers a certain distance downstream, in a river in 3 hours. It covers the same distance upstream in 3 hours and a half. If the speed of water is 1.5 km/hr, then the speed of the boat in still water is: (a) 17 km/hr (b) 19.5 km/hr (c) 17.5 km/hr (d) 19 km/hr

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A motorboat covers a certain distance downstream, in a river in 3 hours. It covers the same distance upstream in 3 hours and a half. If the speed of water is 1.5 km/hr, then the speed of the boat in still water is:
(a) 17 km/hr
(b) 19.5 km/hr
(c) 17.5 km/hr
(d) 19 km/hr