Chapter Mock 9: Boat and Stream Questions
Browse questions from Chapter Mock 9: Boat and Stream. Each question has options and an explanation.
Questions — Page 1 of 1
- Downstream speed of a boat is $14$ km/h and upstream speed is $7$ km/h. The still-water speed is:
- With downstream speed $14$ km/h and upstream speed $7$ km/h, the stream speed is:
- A boat travels $42$ km downstream and $42$ km upstream with speeds $14$ km/h and $7$ km/h respectively. The total time taken is:
- If the speed of a boat in still water is $12$ km/h and the stream speed is $3$ km/h, the upstream speed is:
- Boat-and-stream problems can be solved using relative-speed ideas.
- If a boat covers $160$ km downstream in half the time it takes to cover the same distance upstream, and it covers $96$ km downstream in $3$ hours, the stream speed is:
- If the ratio of upstream speed to downstream speed is $3:5$ and the still-water speed is $24$ km/h, then the total time to travel $36$ km upstream and $60$ km downstream is:
- A boat can cover a certain distance upstream in $16$ minutes and the same distance in still water in $12$ minutes. The time taken to cover the same distance downstream is:
- The ratio of upstream speed to downstream speed of a boat is $11:14$. If it covers $12$ km upstream and $28$ km downstream in $2$ hours, the stream speed is what percent of the downstream speed?
- If the ratio of boat speed in still water to stream speed is $5:1$ and the boat travels $48$ km upstream in $3$ hours less than $144$ km downstream, then the speed of the boat in still water is: