Question

A boat while travelling upstream covers a distance of 18 lcms. at the speed of 3 lams/hr. whereas
while travelling downstream it covers the same distance at a speed of 9 lans/hr. what is the speed of the
boat in still waters ?

Answer 1

Answer:

Step-by-step explanation:

Speed of boat in still water = 1/2 (12 + 6) = 9 kmph.