A cistern has a leak which would empty the cistern in 20 minutes.
A cistern has a leak which would empty the cistern in 20 minutes. A tap is turned on which admits 6 liters a minute into the cistern, and it is emptied in 24 minutes. How many liters does the cistern hold?
Answer/Solution
720
Steps/Work
1/x - 1/20 = -1/24
x = 120
120 * 6 = 720
Answer:C
x = 120
120 * 6 = 720
Answer:C