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MathematicsTopic Question Bank50+ Solved MCQsUpdated October 2026👁️ 3.8k Topic Views

Time and Work Questions & Answers

Master problem-solving techniques, shortcut tricks, and formulas for Time and Work. Solve graded practice questions with complete step-by-step mathematical solutions.

Relevant Exams:SSC CGLSBI PO & ClerkIBPS PORRB NTPCCAT / MBA

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Time and Work — Key Concepts & Shortcuts

•Master core formulas and fundamental algebraic/arithmetic principles for Time and Work.
•Apply approximation techniques and calculation shortcuts to solve problems within 45 seconds.
•Practice 2-tier questions and review step-by-step derivations for complex problems.

Practice Questions for Time and Work

18+ Solved MCQs

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A company undertakes a project to be completed in 40 days with 80 workers. After 10 days, due to a shortage, only 60 workers remain. How many additional workers must be hired after 20 more days to complete the project on time?

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Time and Work Questions & Answers

Time and Work — Key Concepts & Shortcuts

Practice Questions for Time and Work

A company undertakes a project to be completed in 40 days with 80 workers. After 10 days, due to a shortage, only 60 workers remain. How many additional workers must be hired after 20 more days to complete the project on time?

A is thrice as efficient as B. Together they can complete a work in 12 days. In how many days can B alone complete the work?

A can complete a piece of work in 18 days, and B can do it in 27 days. If they work together, how many days will they take to complete the work?

A and B together can do a piece of work in 18 days. They worked together for 12 days and then B left. A finished the remaining work in 10 days. In how many days can A alone complete the entire work?

8 men can complete a work in 12 days. How many men are required to complete the same work in 6 days?

A can do a piece of work in 12 days and B in 16 days. A works alone for 3 days, then B joins him and they complete the remaining work together. How many total days did it take to complete the work?

A, B, and C can complete a work in 20, 30, and 60 days respectively. In how many days can they finish the work working together?

A certain quantity of wheat is sufficient for 200 people for 30 days. If 50 more people join them, for how many days will the same quantity of wheat last?

If 16 men can complete a work in 20 days, in how many days will 20 men complete the same work?

A can lay a stretch of track in 8 days, and B can do it in 10 days. They undertake the work for ₹3,600. With C joining them, the job is finished in 4 days. How much should C receive?

Machine P and machine Q can complete a project in 12 days and 60 days respectively. Both machines are started together, but machine P stopped after 5 days from the start. Find the total time taken to complete the project.

Pipes A and B can fill a tank in 60 minutes and 90 minutes respectively. Another pipe C can empty the tank in 3 hours. Pipes A and C are opened together. After 30 minutes, A is replaced with B. Find the total time taken to fill the tank this way.

A and B working together can complete a work in 6 days. If A alone can complete the same work in 30 days, then B alone can complete two-thirds of the same work in ____ days.

A and B working together can complete a work in 6 days. If A alone can complete the same work in 30 days, then in how many days can B alone complete two-thirds of the same work?

A and B can complete a work together in 9 days. If A alone can do it in 12 days, then B alone can do one-third of the same work in how many days?

Three pipes X, Y, and Z can fill a tank in 12, 15, and 20 hours respectively. All three pipes are opened together, but pipe Z is closed 3 hours before the tank is completely filled. In how many hours will the tank be filled?

Anil, Mayank and Arjun together can complete a book in 30 days. Anil and Mayank together can complete the same book in 50 days. In how many days can Arjun alone complete the same book?

Frequently Asked Questions on Time and Work