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A boat goes 75 km upstream in 3 hours and 60 km downstream in 1.5 hours. Then the speed of the boat in still water is:
5Q:
A boat goes 75 km upstream in 3 hours and 60 km downstream in 1.5 hours. Then the speed of the boat in still water is:
- 165 kmphfalse
- 260 kmphfalse
- 332.5 kmphtrue
- 430 kmphfalse
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