DSSSB · Mathematics
A tap fills a cistern in 27 hours. Another tap empties the full tank in 54 hours. How long (in hours) will it take to fill the tank completely, if the tank is empty and both the taps are open together?
- 55
- 54
- 56
- 57
A tap fills a cistern in 27 hours. Another tap empties the full tank in 54 hours. How long (in hours) will it take to fill the tank completely, if the tank is empty and both the taps are open together?
- 55
- 54
- 56
- 57
Answer and detailed solution are available in the protected study screen.
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