CAT Time and Work questions with solutions
Work rates and efficiency problems. 23 questions from our 2016–2025 CAT pattern papers. Each has the answer and a full solution.
CAT 2025
CAT 2024
CAT 2023
CAT 2022
- A can complete a job in 12 days and B can complete it in 18 days. They work together for 4 days, after which A leaves and B completes the remaining…
- They start working together, but A leaves 3 days before the work is finished. In how many days is the total work completed?
- A can complete a work in 12 days and B in 15 days. They work together for 2 days, after which A leaves and B, joined by C, complete the remaining…
CAT 2021
- Machines X, Y and Z, working together, can complete a production job in 6 days. X and Y together can complete it in 10 days, and Y and Z together can…
- A is thrice as efficient as B, and working together they can complete a job in 12 days. B starts the job alone and works for 8 days, after which A…
- A can complete a piece of work in 20 days, B in 30 days and C in 60 days. A works every day. B assists A on the 1st, 3rd, 5th, … days and C assists A…
CAT 2020
- A and B together can complete a job in 12 days, B and C together in 15 days, and A and C together in 20 days. In how many days can A alone complete…
- A and B together can finish a job in 12 days, B and C together in 15 days, and A and C together in 20 days. All three start working together, but A…
- All three start working together, but A leaves after 3 days. In how many more days will B and C finish the remaining work?
CAT 2019
CAT 2018
CAT 2017
CAT 2016
Other Quant topics
Time, Speed and Distance 38Pipes and Cisterns 11Simple and Compound Interest 33Profit, Loss and Discount 42Mixtures and Alligation 35Ratio and Partnership 17Percentages 30Averages 19Permutations, Combinations and Sets 28Probability 20Logarithms and Indices 16Quadratic Equations and Polynomials 18Linear Equations 9Inequalities and Modulus 19Functions 22Maxima and Minima 11Progressions 29Remainders and Divisibility 15Number System 19Coordinate Geometry 29Triangles 24Circles 18Polygons and Quadrilaterals 12Mensuration 13