GSSSB · Reasoning and Quantitative Aptitude
Work efficiency and pipes-cisterns.
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Q1 · Time and Work · EASY
A can complete a piece of work in 12 days and B can complete the same work in 18 days. If both work together, how many days will they take to complete the work?
Q2 · Time and Work · MEDIUM
A pipe can fill a tank in 15 hours. Due to a leak at the bottom, it takes 20 hours to fill the tank. If the tank is full, how long will the leak take to empty it?
Q3 · Time and Work · HARD
A can do a piece of work in 10 days, B in 15 days and C in 20 days. They start working together, but A leaves after 2 days and B leaves 3 days before the work is completed. In how many days is the total work completed?
Q4 · Time and Work · MEDIUM
A can complete a work in 15 days and B can complete the same work in 20 days. If they work together, in how many days will they finish the work?