"A boat can travel 36 km upstream in 5 hours. If the speed of the stream is 2.4 kmph,
Channel: Doubtnut
Date: 2020-04-05

"A boat can travel 36 km upstream in 5 hours. If
 the speed of the stream is 2.4 kmph, how much time will the boat to cover a
 distance of 78 km downstream? (in hours)
`5`
b. `8`
c. `6. 5`
d. `5. 5`"