MCQ Subject: Time, Work, Distance & Boat Stream

A boat travels 45 km upstream in 3 hours and 60 km downstream in 2 hours. What is the boat’s speed in still water?

A boat travels 24 km upstream in 4 hours and 30 km downstream in 3 hours. What is the speed of the boat in still water?

A boat travels 24 km downstream and 12 km upstream in 2 hours. If the speed of the stream is 2 km/h, what is the speed of the boat in still water?