Question

Speed of a boat in standing water is 9 kmph
and the speed of the stream is 1.5 kmph. A man
rows to a place at a distance of 105 km and
comes back to the starting point. The total time
taken by him is:
(a) 22 hours (b) 27 hours
(c) 20 hours (d) 24 hours

Answer 1

(d) 24 hours us the answer.