Work and Time: Pipes and Cisterns
Work and Time: Pipes and Cisterns
EasyAptitude0% accepted
A can complete a work in 12 days, B in 15 days, C in 20 days. How long if all three work together? Also: A pipe fills a tank in 6 hours, another drains it in 10 hours. How long to fill if both open?
Approach
Solve work-time problems using LCM and combined work rate.
Input
A in 12 days, B in 15 days, C in 20 days - all together
Output
LCM=60; A=5/day, B=4/day, C=3/day; together=12/day; time=60/12=5 days
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