DSSSB · Mathematics
A boat travels 40 km downstream and 40 km upstream in the same time it would take to go 100 km downstream. If the speed of the stream is 3 km/h, find the speed of the boat in still water.
- 20 km/h
- 12 km/h
- 15 km/h
- 18 km/h
A boat travels 40 km downstream and 40 km upstream in the same time it would take to go 100 km downstream. If the speed of the stream is 3 km/h, find the speed of the boat in still water.
- 20 km/h
- 12 km/h
- 15 km/h
- 18 km/h
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