Pipes & Cisterns Mcqs
Q. Pipes A and B can fill a cistern in 8 and 24 minutes respectively. They are opened an alternate minutes. Find how many minutes, the cistern shall be full?
a. 6 min
b. 12 min
c. 19 min
d. 10 min
1/8 + 1/24 = 1/6
6 * 2 = 12
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