NinetynineCAT Time & Work questions 34 since 2017
Across the 24 CAT papers from 2017 to 2025, Time & Work was asked 34 times, in 22 of the 24 papers. CAT asks about 1.4 Time & Work questions per paper on average; in 2022–2025 it was 1.2 per paper, against 1.7 in the four years before (falling). Below is how often it appeared each year, the ideas CAT keeps reusing, and every question with its answer.
Key facts
- Across the 24 CAT papers from 2017 to 2025, Time & Work was asked 34 times, in 22 of the 24 papers.
- Time & Work is the 10th most-asked of the 16 CAT QA topics, with 5.6% of all QA questions since 2017.
- CAT asks about 1.4 Time & Work questions per paper on average; in 2022–2025 it was 1.2 per paper, against 1.7 in the four years before (falling).
- The heaviest year for Time & Work was CAT 2018, with 6 questions across 2 slots.
Counted from all 24 CAT papers 2017–2025 (1,830 questions), one topic tag per question. How we tag.
How many Time & Work questions come in CAT each year?
| Year | Questions | Slots that year | Per slot |
|---|---|---|---|
| CAT 2017 | 3 | 2 | 1.5 |
| CAT 2018 | 6 | 2 | 3.0 |
| CAT 2019 | 3 | 2 | 1.5 |
| CAT 2020 | 2 | 3 | 0.7 |
| CAT 2021 | 6 | 3 | 2.0 |
| CAT 2022 | 3 | 3 | 1.0 |
| CAT 2023 | 4 | 3 | 1.3 |
| CAT 2024 | 3 | 3 | 1.0 |
| CAT 2025 | 4 | 3 | 1.3 |
Time & Work ideas CAT has repeated
- Pipes and cisterns with a draining pipe: net rate = fill − drain 3 questions, 2017–2023
- Two kinds of workers or pipes in two combinations: solve for unit rates 4 questions, 2018–2019
- Work done in a repeating daily roster of workers 4 questions, 2021–2024
- Wages split in proportion to the work each person did 3 questions, 2017–2021
- Work completed in phases as workers join, leave or slow down 5 questions, 2018–2025
- Person-days or person-hours are proportional to work done 5 questions, 2020–2025
All Time & Work questions, newest first
CAT 2025
- CAT 2025 Slot 3 · QA Q10 Teams A, B, and C consist of five, eight, and ten members…
- CAT 2025 Slot 3 · QA Q19 The rate of water flow through three pipes A, B and C are in…
- CAT 2025 Slot 2 · QA Q12 Ankita is twice as efficient as Bipin, while Bipin is twice…
- CAT 2025 Slot 1 · QA Q18 Arun, Varun and Tarun, if working alone, can complete a task…
CAT 2024
- CAT 2024 Slot 3 · QA Q9 Sam can complete a job in 20 days when working alone. Mohit…
- CAT 2024 Slot 2 · QA Q6 Amal and Vimal together can complete a task in 150 days…
- CAT 2024 Slot 1 · QA Q5 Renu would take 15 days working 4 hours per day to complete…
CAT 2023
- CAT 2023 Slot 3 · QA Q8 Rahul, Rakshita and Gurmeet, working together, would have…
- CAT 2023 Slot 3 · QA Q16 Gautam and Suhani, working together, can finish a job in 20…
- CAT 2023 Slot 2 · QA Q10 Pipes A and C are fill pipes while Pipe B is a drain pipe of…
- CAT 2023 Slot 1 · QA Q15 The amount of job that Amal, Sunil and Kamal can…
CAT 2022
- CAT 2022 Slot 3 · QA Q3 Bob can finish a job in 40 days, if he works alone. Alex is…
- CAT 2022 Slot 3 · QA Q16 A group of N people worked on a project. They finished 35 %…
- CAT 2022 Slot 2 · QA Q2 Working alone, the times taken by Anu, Tanu and Manu to…
CAT 2021
- CAT 2021 Slot 3 · QA Q2 Anil can paint a house in 12 days while Barun can paint it…
- CAT 2021 Slot 3 · QA Q9 One day, Rahul started a work at 9 AM and Gautam joined him…
- CAT 2021 Slot 2 · QA Q6 Anil can paint a house in 60 days while Bimal can paint it… answer only
- CAT 2021 Slot 2 · QA Q21 Two pipes A and B are attached to an empty water tank. Pipe… answer only
- CAT 2021 Slot 1 · QA Q12 Amar, Akbar and Anthony are working on a project. Working… answer only
- CAT 2021 Slot 1 · QA Q19 Anu, Vinu and Manu can complete a work alone in 15 days, 12… answer only
CAT 2020
- CAT 2020 Slot 3 · QA Q4 A contractor agreed to construct a 6 km road in 200 days. He… answer only
- CAT 2020 Slot 2 · QA Q22 John takes twice as much time as Jack to finish a job. Jack… answer only
CAT 2019
- CAT 2019 Slot 2 · QA Q15 Anil alone can do a job in 20 days while Sunil alone can do… answer only
- CAT 2019 Slot 1 · QA Q15 At their usual efficiency levels, A and B together finish a… answer only
- CAT 2019 Slot 1 · QA Q30 Three men and eight machines can finish a job in half the… answer only
CAT 2018
- CAT 2018 Slot 2 · QA Q21 A tank is emptied everyday at a fixed time point… answer only
- CAT 2018 Slot 2 · QA Q22 Ramesh and Ganesh can together complete a work in 16 days… answer only
- CAT 2018 Slot 2 · QA Q27 A water tank has inlets of two types A and B. All inlets of… answer only
- CAT 2018 Slot 1 · QA Q8 When they work alone, B needs 25% more time to finish a job… answer only
- CAT 2018 Slot 1 · QA Q28 Humans and robots can both perform a job but at different… answer only
- CAT 2018 Slot 1 · QA Q31 A tank is fitted with pipes, some filling it and the rest… answer only
CAT 2017
- CAT 2017 Slot 2 · QA Q8 A tank has an inlet pipe and an outlet pipe. If the outlet… answer only
- CAT 2017 Slot 2 · QA Q13 Amal can complete a job in 10 days and Bimal can complete it… answer only
- CAT 2017 Slot 1 · QA Q2 A person can complete a job in 120 days. He works alone on… answer only
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