DSSSB · Mathematics
Pipe A usually fills a tank in 2 hours. On account of a leak at the bottom, it takes pipe A 30 minutes more to fill the tank. How long will the leak take to empty the full tank?
- 11 hours
- 10 hours
- 8 hours
- 12 hours
Pipe A usually fills a tank in 2 hours. On account of a leak at the bottom, it takes pipe A 30 minutes more to fill the tank. How long will the leak take to empty the full tank?
- 11 hours
- 10 hours
- 8 hours
- 12 hours
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