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 options.
A) 4.25 kmnph  B) 6 kmph  C) 6.5 kmph  D) 8.5 kmph  E) None
Solution   Let the rate along the current be x kmph.   Then,	= (1 / 2(x+3.5))= 5   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