MCQOPTIONS
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| 1. |
Three taps A, B and C can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capac |
| A. | 100 gallons |
| B. | 120 gallons |
| C. | 140 gallons |
| D. | 160 gallons |
| Answer» C. 140 gallons | |