DSSSB · Mathematics
The distance between points A and B is 24 km. A boat travels from A to B downstream and returns upstream to A in a total of 6 hours. If the speed of the boat in still water is b km/h and the speed of the stream is s km/h, with b2 - s2 = 144, find the speed of the boat in still water.
- 18 km/h
- 12 km/h
- 21 km/h
- 15 km/h
The distance between points A and B is 24 km. A boat travels from A to B downstream and returns upstream to A in a total of 6 hours. If the speed of the boat in still water is b km/h and the speed of the stream is s km/h, with b2 - s2 = 144, find the speed of the boat in still water.
- 18 km/h
- 12 km/h
- 21 km/h
- 15 km/h
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