The current of a stream runs at the rate of 3 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?
Select the correct option:	A) A)7.24	B) B)2	C) C)8.5	D) D)6.67	E) E)3
S = 3   M = x   DS = x + 3   US = x - 3   6/(x + 3) + 6/(x - 3) = 2   x = 7.24   7.24nswer:7.24
<result>A</result>
The current of a stream runs at the rate of 3 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?