Answer : 2 480 lit Explanation : Answer: B) 480 lit Explanation: 1/k - 1/20 = -1/24k = 120120 x 4 = 480Therefore, the capacity of the cistern is 480 liters.

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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 ?

Answer : 2 480 lit Explanation : Answer: B) 480 lit Explanation: 1/k - 1/20 = -1/24k = 120120 x 4 = 480Therefore, the capacity of the cistern is 480 liters.

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