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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

Page 10 · Click any question to reveal correct answer and full explanation

163

A can complete a piece of work in 10 days and B can complete the same work in 15 days. What fraction of the work will be completed in 2 days if they work together?

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164

A can do a task in 18 days, and B in 9 days. After working together for 4 days, A leaves. How many more days will B take to complete the remaining work?

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165

Machine X can print a batch of magazines in 230 minutes while Machine Y can print it in 299 minutes. How much time will both machines take to print the batch together?

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166

A can complete a job in 36 days. Every third day, he is assisted by B who can complete the job alone in 48 days. In how many days will the job be completed?

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167

Amit and Bharat can do a work in 15 days and 25 days respectively, while Amit, Bharat, and Chetan together can do it in 614 days. If they earned a total wage of &rupee;(4x + 800), then the share of Chetan is what percent more or less than that of Amit?

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168

8 men can complete a job in 20 days. 8 women can complete the same job in 32 days. In how many days will 5 men and 8 women together complete the same job?

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169

A can do a task in 18 days, and B in 9 days. After working together for 4 days, A leaves. How many more days will B take to complete the remaining work?

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170

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

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171

A machine stacks boxes. In the first minute, it stacks 15 boxes, but in the next minute, 5 boxes fall down. If the machine stacks in alternate minutes, how many minutes will it take to stack a total of 95 boxes?

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172

A and B together can finish a work in 18 days, B and C in 24 days, and C and A in 36 days. In how many days can B alone complete the work?

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173

A junior developer alone takes 5 more days to complete a piece of work than a senior developer alone. Both of them together can complete the work in 6 days. In how many days can the junior developer alone complete the work?

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174

A and B complete a work in 15 days. B alone takes 25 days. In how many days will A alone complete the work?

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175

A and B together can complete a work in 8 days. B alone can do it in 12 days. In how many days will A alone complete the work?

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176

The ratio of efficiency of Machine X and Machine Y is 4:5. If together they can complete a piece of work in 20 days, in how many days can Machine X alone complete the same work?

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177

A group of designers can create a website in 45 days. If there were 5 designers fewer, it would take 15 extra days to complete the work. How many designers were there originally?

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178

A can complete a task alone in 6 days, while B can do it alone in 8 days. Together with C, they agreed to complete the work for ₹3,200. They finished the task in 3 days. What amount should be paid to C?

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179

A alone can do a work in 30 days and B alone in 40 days. They start working together, but A leaves 5 days before the completion of the work. For how many days did A work?

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180

A is twice as efficient as B. Working together, they can complete a task in 12 days. How many days will A alone take to complete the task?

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Time and Work FAQs

Frequently Asked Questions on Time and Work

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Begin by memorizing the core formulas and derivation steps in Time and Work. Practice calculation shortcuts to solve problems within 45 seconds, and solve topic-wise mock tests for SSC CGL and SBI PO & Clerk.