15. A boat running downstream covers a distance of 22 km in 4 hours while for covering the same distance upstream, it takes 5 hours. What is the speed of the boat in still water
Answers
Answered by
0
boat speed =(upstream speed+downward stream)/2
in downstream
22km in 4 hours so in 1 h = 5.5km
speed=5.5kmph
in upstream
22km in 5 hours so in 1h = 4.5km
speed = 4.5kmph
boat speed = 5kmph
Similar questions