If a man rows at the rate of 4 kmph in still water and his rate against the current is 2 kmph, then the man's rate along the current is:
Pick.
A) 15 kmph
B) 6 kmph
C) 12 kmph
D) 14 kmph
E) 6 kmph
The speed of the current is 4-2= 
<gadget id="calculator">4-2</gadget>
<output>2</output>
2 kmph. Thus, if the man navigates along the current his speed is 6kmph. Answer: 6 kmph
<result>E</result>
If a man rows at the rate of 4 kmph in still water and his rate against the current is 2 kmph, then the man's rate along the current is: