1723534562.png){kind=small}
30+ Time and Work CAT Questions with Answers (Easy, Moderate, Difficult)
August 4, 2026
Time and Work CAT questions are an essential part of the Arithmetic section in the CAT Quantitative Ability syllabus. Every year, candidates encounter concept-based problems that test their understanding of efficiency, work rates, and collaborative work. Practising time and work CAT questions regularly can significantly improve your speed, accuracy, and overall performance in CAT 2027.
Key Takeaways
- Time and Work is a frequently asked CAT topic, with 2–3 questions expected every year
- Based on core concepts like efficiency, work rate, and combined work
- Questions are logic-driven and formula-based, making them score with practice
- Includes important subtopics like pipes & cisterns, alternate work, and variable workforce
- Mastery can help you solve questions in under 1–2 minutes in the exam
What You Will Get in This Blog: You will get 30+ important Time and Work CAT exam 2026 questions with solutions, along with key concepts, shortcuts, and practice strategies to help you improve speed, accuracy, and confidence for CAT 2026.
Let’s begin the Time And Work CAT Questions with easy ones and slowly level up!
What are Time and Work CAT Questions 2026
CAT Time and Work Questions refer to a category of mathematical problems commonly asked in the Quantitative Aptitude (QA) section of the CAT (Common Admission Test) exam. These Time and work CAT questions test a candidate’s ability to understand and solve problems related to efficiency, productivity, and time management in a work-based scenario.
Here is a List of 30+ Most Important CAT Time and Work Questions with Solutions PDF for Practise
1. Easy Level Time and Work CAT Questions 2026
Q 1. A can complete the work in 12 days. B can complete the same work in 16 days. If they work together, in how many days will they complete the work?
- a) 6.86
b) 6.5
c) 7
d) 6.75
Answer: d) 6.75
Q 2. B is twice as efficient as A. Together they can complete a work in 12 days. How many days will B alone take to complete the work?
a) 18
b) 12
c) 8
d) 16
Answer: c) 8
Q3. A and B can do a piece of work in 20 days and 30 days, respectively. A starts the work and after 4 days, B joins. In how many days will the work be completed?
a) 14
b) 16
c) 18
d) 20
Answer: b) 16
Q 4. If 4 men can complete a work in 10 days, how many days will 10 men take to complete the same work?
a) 2
b) 4
c) 5
d) 6
Answer: c) 4
Q5. A alone can finish the work in 15 days. B alone can finish it in 10 days. A and B work together for 5 days, then A leaves. How many more days will B take to finish the remaining work?
a) 2
b) 3
c) 4
d) 5
Answer: b) 3
Q 6. A can do a job in 18 days, and B can do the same job in 12 days. How long will they take to complete the work together?
a) 6.5 days
b) 7.2 days
c) 7.5 days
d) 8 days
Answer: c) 7.5 days
Q7. If 5 men can complete a task in 20 days, in how many days can 10 men complete the same task?
a) 8 days
b) 10 days
c) 15 days
d) 20 days
Answer: b) 10 days
Q 8. A can do a piece of work in 9 days. B can do it in 18 days. A and B start the work together but A leaves after 3 days. How many more days will B take to finish the remaining work?
a) 5
b) 6
c) 4.5
d) 3
Answer: c) 4.5
Q9. If A completes a task in 5 days and B is twice as fast as A, in how many days will both finish the task working together?
a) 1.67
b) 2
c) 2.5
d) 3
Answer: b) 2
Q 10. A and B can complete a piece of work in 15 days and 10 days, respectively. They start together, but after 3 days, B leaves. How many more days will A take to complete the remaining work?
a) 7
b) 8
c) 9
d) 10
Answer: a) 7
Moderate Time and Work CAT Questions for 2026
Now, let’s level up with medium-difficulty problems to build accuracy under CAT conditions.
Q11. A, B, and C can complete the work in 20, 30, and 60 days, respectively. In how many days can they finish the work if they all work together?
a) 10
b) 12
c) 8
d) 15
Answer: b) 10
Q 12. A is thrice as good a workman as B and takes 10 days less than B to finish a piece of work. The number of days A takes to finish the work is:
a) 6
b) 7.5
c) 5
d) 10
Answer: a) 6
Q13. Two pipes A and B can fill a tank in 24 minutes and 30 minutes respectively. If both are opened together, how much time will they take to fill 3/4th of the tank?
a) 9 min
b) 12 min
c) 13.33 min
d) 15 min
Answer: c) 13.33 min
Q14. A can do a work in 10 days and B in 20 days. They work on alternate days with A starting first. How many days will the total work take?
a) 14
b) 15
c) 13.33
d) 12
Answer: c) 13.33
Q 15. 12 men can complete a work in 15 days. After 6 days, 4 men leave. How many more days will the remaining men take to finish the work?
a) 12
b) 11
c) 10
d) 9
Answer: b) 11
Difficult Time and Work CAT Questions for 2026
Here comes the brain-busters! These are similar to the time and work from the previous year's CAT questions, helping to sharpen your exam-day readiness.
Q 16. A and B together can complete a work in 8 days. B and C can do the same in 12 days. A and C can do it in 16 days. How long will A, B, and C together take to finish the work?
a) 6.4
b) 4.8
c) 5.33
d) 5
Answer: c) 5.33
Q 17. A leak in the bottom of a tank can empty the full tank in 10 hours. An inlet pipe fills the tank at 1/5th the rate of the leak. If the tank is empty, and the inlet is turned on, how long will it take to fill the tank?
a) Never
b) 50 hours
c) 60 hours
d) Will overflow in 100 hours
Answer: a) Never
Q 18. A, B, and C can do a job in 10, 15, and 20 days, respectively. They all start together, but A leaves after 2 days, B leaves 3 days before completion. In how many days is the job done?
a) 6
b) 7
c) 8
d) 9
Answer: c) 8
Q 19. If 10 men take 15 days to complete a job working 6 hours/day, how many men are required to complete the job in 9 days working 10 hours/day?
a) 9
b) 10
c) 12
d) 15
Answer: a) 9
Q 20. Pipe A can fill a tank in 20 minutes, pipe B in 30 minutes, and pipe C (a waste pipe) can empty it in 40 minutes. If all three pipes are open together, how much time will it take to fill the tank?
a) 14.4 min
b) 18 min
c) 16 min
d) 15 min
Answer: a) 14.4 min
Q 21. A, B, and C can complete the work in 6, 8, and 12 days, respectively. In how many days will they complete the work if they work one after another,r starting with A, then B, then C, and so on?
a) 6
b) 6.5
c) 6.4
d) 7
Answer: c) 6.4
Q 22. A tank is filled by two pipes A and B in 20 minutes and 30 minutes respectively. If both pipes are opened together, how much time will it take to fill the tank?
a) 10 min
b) 12 min
c) 15 min
d) 17 min
Answer: b) 12 min
Q23. B can do a piece of work in 24 days. A is 50% more efficient than B. How many days will A alone take to complete the work?
a) 16
b) 20
c) 18
d) 22
Answer: a) 16
Q 24. A can complete a work in 10 days, and B in 20 days. They start together but every 3rd day, B takes a break. In how many days will the work be completed?
a) 9
b) 8
c) 7.5
d) 10
Answer: b) 8
Q 25. A and B can do a job in 12 days. A alone can do it in 18 days. How long will B alone take to complete the work?
a) 30
b) 36
c) 24
d) 20
Answer: b) 36
Difficult Level Time and Work CAT Questions 2025
Q 26. 12 men can complete a work in 18 days. After working for 6 days, 4 more men join them. How many more days will it take to complete the remaining work?
a) 10
b) 9
c) 8
d) 7.5
Answer: c) 8
Q 27. Pipes A and B can fill a tank in 25 and 30 minutes, respectively. Pipe C can empty it in 20 minutes. If all three pipes are opened together, how long will it take to fill the tank?
a) Never
b) 50 min
c) 120 min
d) Tank will never be filled
Answer: d) Tank will never be filled
Q 28. A does half as much work as B in three-fourths the time. If they work together and complete the work in 18 days, how long will A alone take?
a) 30
b) 40
c) 36
d) 24
Answer: b) 40
Q 29. A project is scheduled to be completed in 60 days. 40 workers are employed to complete it. After 20 days, only 1/4th of the work is done. How many more workers are required to finish it on time?
a) 40
b) 20
c) 60
d) 80
Answer: a) 40
Q 30. A and B can complete a task together in 9 days. If A is twice as efficient as B, how many days will B alone take to complete the task?
a) 18
b) 27
c) 24
d) 20
Answer: b) 27
Why Practice Time and Work CAT Questions 2026?
Time and Work is a frequently tested topic in the CAT Quantitative Aptitude section. It’s logical, formula-based, and scoring if you understand the concepts and know the shortcuts.To prepare effectively, you should practice using comprehensive material. A CAT Time and Work problems with solutions PDF provides structured examples and explanations to strengthen your preparation:
Topics covered include:
- Efficiency-based problems
- Pipes and cisterns
- Work distribution
- Time taken to complete parts of a task.
- Practice with CAT Time and Work problems with solutions PDF to familiarize yourself with different variations.
These questions also appear as CAT exam pattern in Time and Work questions pdf from previous year CATs, making them vital for your preparation.
How to Prepare these Topic Strategically
Treat Time and Work as a two-week micro-topic inside your broader Arithmetic revision, not a stand-alone chapter to cram overnight.
- Week 1: Master the LCM method and solve only easy-level questions until your accuracy crosses 90%.
- Week 2: Move to alternate-day work, efficiency ratios, and pipes with an outlet pipe involved.
- Before mocks: Time yourself - a well-prepared aspirant should solve most of these questions in 60–90 seconds each.
Track your accuracy separately for "combined work," "partial work," and "pipes and cisterns" sub-types. Most aspirants are strong in one sub-type and weak in another, and generic practice hides that gap.
Explore Related CAT Quant Topics
| Topic | Link |
|---|---|
| CAT Quantitative Aptitude overview | CAT Quantitative Aptitude Questions |
| Data Interpretation preparation | How to Prepare DI for CAT |
| Geometry formulas | CAT Geometry Formulas |
| Previous year papers | CAT Previous Year Papers |
| Best books for CAT 2026 | CAT Preparation Books |
| Full CAT 2026 study plan | CAT Exam Study Plan |
Smart Prep for CAT: Join Our Free Demo Class
Fill your details
Frequently Asked Questions
Are there negative marks for incorrect answers in the QA section?
Which topics in the QA section are generally considered the most scoring?
How much time should I allocate to the QA section during my preparation?
Is it advisable to guess answers in the QA section?
Where Can i get the Time And Work CAT Questions PDFs?
Zubeen Siddiqui
Content Writer | MBA & CAT Preparation
SHARE