Boats and Streams MCQ Question with Answer

Question No : 8
A man can row upstream at 8 kmph and downstream at 13 kmph. The speed of the stream is:

Question No : 9
A man can row downstream 32 km and upstream 14 km. If he takes 6 hr to cover each distance , then the velocity(in kmph) of the current is:

Question No : 10
A boat running downstream covers a distance of 16 km in 2 hrs while for covering the same distance upstream , it takes 4 hrs. What is the sped of the boat in still water:

Question No : 11
A boat man goes 2 km against the current of the stream in 1 hr and goes 1 km along the current in 10 minites. How long will it take to go 5 km in stationary water?

Question No : 12
A man can row three-quarters of a kilometre against the stream in 11$\frac{1}{4}$ min. The speed (in km/hr) of the man in still water is:

Question No : 13
A man takes twice as long to row a distance against the stream as to row  the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is:

Question No : 14
A boat running upstream takes 8 hrs 48 min to cover a certain distance , while it take 4 hrs to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?