30+ Important Time And Work CAT Questions with Answers [PDF Download]

Q: Are there negative marks for incorrect answers in the QA section?

Yes, for Multiple Choice Questions (MCQs) in the QA section, there's a negative marking for incorrect answers. However, Type-In-The-Answer (TITA) questions do not carry negative marks for wrong answers.

Q: Which topics in the QA section are generally considered the most scoring?

While the scoring potential varies based on an individual's strengths and preparation, topics like Arithmetic and Number Systems are often considered foundational and scoring. However, it's essential to be well-prepared across all topics to maximize scores.

Q: How much time should I allocate to the QA section during my preparation?

It's advisable to dedicate a significant portion of your exam preparation time to QA since it requires both conceptual understanding and practice. Depending on your proficiency, you might spend 1-3 hours daily focusing solely on QA.

Q: Is it advisable to guess answers in the QA section?

For MCQs, there's a penalty for incorrect answers. Hence, wild guesses are not advisable. However, if you can eliminate some options and make an educated guess, it might be worth the risk.

Author : Lalita Vishwakarma

July 15, 2025

Overview: Time and Work CAT questions are a must-practice part of your Quant preparation. These questions test your understanding of efficiency, teamwork, and time management skills that are not only important for the exam but also for real life!

In this blog, we’ve shared 30+ carefully selected time and work CAT level questions, divided into Easy, Moderate, and Difficult levels. These practice sets will help you build a strong foundation and improve your problem-solving speed.

Each CAT time and work question comes with four options and the correct answer, making it easier for you to check your progress. Whether you're a beginner or aiming for a top score, these time and work aptitude questions for CAT are perfect for your prep.

Let’s begin the Time And Work CAT Questions with easy ones and slowly level up!

Read More: How to Prepare for Data Interpretation for CAT Exam

What are Time and Work CAT Questions 2025

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 for Practise

1. Easy Level Time and Work CAT Questions 2025

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

Know: Important Formulas For CAT

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

Check: Logical Reasoning Questions for CAT

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 2025

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

Practise with: CAT Trigonometry Question with Solutions

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

Check: How to prepare for Quantitative Aptitude for CAT exam?

Difficult Time and Work CAT Questions for 2025

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

Check: Complete CAT Geometry Syllabus

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

Know More | How Many Times CAT Exam is Conducted in a Year?

Why Practice Time and Work CAT Questions 2025?

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.

Topics covered include:

Efficiency-based problems
Pipes and cisterns
Work distribution
Time taken to complete parts of a task.

These questions also appear as Time and Work questions from previous year CATs, making them vital for your preparation.

Explore: Best Preparation Books for CAT 2025

Conclusion

Consistency is key! Solving these Time and Work CAT questions will not only boost your accuracy but also improve your confidence for the D-Day. Bookmark this blog and practice these 30+ Time and Work CAT level questions regularly.

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