If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph,then the man’s rate along the current is : Choose the correct choice from the following choices.
A) 4.25 kmph  B) 6 kmph  C) 6.5 kmph  D) 8.5 kmph  E) None of these
Solution   Let the rate along the current be x kmph.Then,1/2(x + 3.5) = 5 or x = 6.5 kmph. Answer 6.5 kmph
<result>C</result>
If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph,then the man’s rate along the current is :