GAT Subject
Engineering
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49. | A cistern has a leak which would empty the cistern in 20 minutes. A tap is turned on which admits 4 liters a minute into the cistern, and it is emptied in 24 minutes. How many liters does the cistern hold? | |
A. | 480 liters | |
B. | 600 liters | |
C. | 720 liters | |
D. | 800 liters | |