Question

The speed of current is 40 km/hr. If the speed of the boat in still water had been 10 km/hr more than the original speed then it would take 5.5 hours to cover 341 km in downstream. Find the original speed of the boat in still water (in km/h).

A 10
B 15
C 12
D 18
E None of these
Practice Next

Hey! Ask a query