Question

A motorboat goes down Stream In river and covers a distance between two coastal towns in 6 hours. It covers this distance upstream in 7 hours if the speed of the stream is 2 km/hours, find the speed of the boat in still water

Answer 1

if u have any other doubts don't hesitate to ask

regards
nimit sharma

Answer 2

let speed of boat in still watet be x
time taken going down stream =6 hr
distance = 6(x+2)
speed of stream=2 km/hr
time taken if speed is x-2 is 7 hr
distance= 7 (x-2)
ATQ
7x-14=6x+12
x=12+14
x=26km/hr