The current of a stream runs at the rate of 4 kmph. A boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water?

The current of a stream runs at the rate of 4 kmph. A boat goes 6 km

1.	The current of a stream runs at the rate of 4 kmph. A boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water?
A.	10 kmph
B.	21 kmph
C.	8 kmph
D.	12 kmph
Answer» D. 12 kmph

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The current of a stream runs at the rate of 4 kmph. A boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water?

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