Delhi Police PC · Quantitative Aptitude
Time & Work
Work efficiency and pipes/cisterns.
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Take a full mock →Q1 · Time & Work · EASY
A can complete a work in 12 days and B can complete the same work in 18 days. If both work together, in how many days will they complete the work?
Q2 · Time & Work · EASY
15 men can complete a piece of work in 20 days. How many men are required to complete the same work in 12 days?
Q3 · Time & Work · MEDIUM
A pipe can fill a tank in 6 hours. Due to a leak at the bottom, it takes 9 hours to fill the tank. If the tank is full, how long will the leak take to empty it?
Q4 · Time & Work · HARD
A and B together can complete a work in 8 days. B and C together can complete the same work in 12 days, while A and C together can complete it in 16 days. In how many days can A, B and C together complete the work?
Q5 · Time & Work · MEDIUM
A can complete a work in 15 days and B can complete it in 20 days. They work together for 4 days, and then A leaves. How many more days will B take to finish the remaining work?