Question

A boat takes 630 minutes to
travel from point A to B and
then come back to point A. The
distance between point A and
B is 72 km. If the respective
ratio of speed of the boat in
still water and speed of water
current is 7:1, what is the
speed of the boat downstream?
(in kmph)
(1) 23
(2) 12
(3) 24
(4) 16
(5) 8​

Answer 1

Answer:

Step-by-step explanation:

The distance between points A and B is 64 km. The ratio of the speed of boat to that of the stream is 4:1. What is the speed of person going downstream?