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Time and Work

SSC CGL Quant. Try each one first, then open its answer.

Top 10 SSC CGL PYQs to practise first

The questions and kinds of question asked most often come first. Each one says how often and in which papers.

  1. Question 1

    This type asked 16 times: 13 in 2023, 3 in 2024. This one: 25 Sep 2024 S2 See all 16 of this type

    53
    Two pipes X and Y can fill a tank in 14 hours and 21 hours, respectively. Both pipes are opened simultaneously to fill the tank. In how many hours will the empty tank be filled?

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  2. Question 2

    This type asked 14 times: 17 Jul 2023 S1, 19 Jul 2023 S2, 20 Jul 2023 S3, 21 Jul 2023 S1, 24 Jul 2023 S2, 24 Jul 2023 S3, 25 Jul 2023 S1, 25 Jul 2023 S3, 26 Jul 2023 S2, 26 Jul 2023 S4, 26 Sep 2024 S2, 13 Sep 2025 S2, 22 Sep 2025 S1, 26 Sep 2025 S1. This one: 26 Sep 2025 S1 See all 14 of this type

    75
    A, B, and C together can complete a task in 6 days. If A alone takes 12 days and B alone takes 18 days, how long will C alone take?

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  3. Question 3

    This type asked 11 times: 14 Jul 2023 S1, 14 Jul 2023 S2, 17 Jul 2023 S2, 18 Jul 2023 S2, 19 Jul 2023 S1, 20 Jul 2023 S2, 20 Jul 2023 S3, 21 Jul 2023 S2, 21 Jul 2023 S3, 21 Jul 2023 S4, 19 Sep 2024 S1. This one: 19 Sep 2024 S1 See all 11 of this type

    75
    Pipe X can fill a tank in 9 hours and Pipe Y can fill it in 21 hours. If they are opened on alternate hours and Pipe X is opened first, in how many hours shall the tank be full?

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  4. Question 4

    Asked 10 times: 19 Jul 2023 S2*, 20 Jul 2023 S3*, 21 Jul 2023 S1*, 24 Jul 2023 S2*, 25 Jul 2023 S1*, 25 Jul 2023 S3*, 26 Jul 2023 S2*, 26 Jul 2023 S4*, 26 Sep 2024 S2*, 22 Sep 2025 S1 (* = numbers or wording changed that year) See all 10 times it was asked

    63
    Dhaval and Dhiraj together can do a piece of work in 12 days. Dhaval alone can do it in 20 days. In how many days can Dhiraj alone do it?

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  5. Question 5

    This type asked 10 times: 21 Jul 2023 S2, 27 Jul 2023 S3, 10 Sep 2024 S3, 17 Sep 2024 S1, 18 Sep 2024 S2, 23 Sep 2024 S1, 12 Sep 2025 S1, 13 Sep 2025 S2, 15 Sep 2025 S3, 26 Sep 2025 S1. This one: 26 Sep 2025 S1 See all 10 of this type

    62
    The efficiency of A, B and C is 2:3:52 : 3 : 5. A alone can complete the work in 40 days. They all worked together for 5 days and then C left the work. In how many days can A and B together complete the remaining work?

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  6. Question 6

    This type asked 9 times: 14 Jul 2023 S4, 17 Jul 2023 S4, 19 Jul 2023 S2, 24 Jul 2023 S3, 27 Jul 2023 S2, 18 Sep 2024 S1, 19 Sep 2024 S2, 12 Sep 2025 S1, 14 Sep 2025 S1. This one: 14 Sep 2025 S1 See all 9 of this type

    65
    A can do a work in 8 days and B in 12 days. They work together for 3 days. What part of the work is left?

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  7. Question 7

    Asked 7 times: 14 Jul 2023 S1*, 14 Jul 2023 S3*, 17 Jul 2023 S1*, 18 Jul 2023 S4*, 21 Jul 2023 S3*, 24 Jul 2023 S1*, 27 Jul 2023 S1 (* = numbers or wording changed that year) See all 7 times it was asked

    72
    If A, B and C can do a work in 6 days, 9 days and 11 days, respectively, then, working together, how many days will they take to do the work?

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  8. Question 8

    Asked 7 times: 14 Jul 2023 S2*, 17 Jul 2023 S2*, 18 Jul 2023 S2*, 19 Jul 2023 S1*, 20 Jul 2023 S2*, 21 Jul 2023 S3*, 21 Jul 2023 S4 (* = numbers or wording changed that year) See all 7 times it was asked

    56
    A can do a piece of work in 8 days, while B can do it in 18 days. In how many days will the work be completed if they both work on alternate days starting with B?

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  9. Question 9

    This type asked 7 times: 20 Jul 2023 S4, 17 Sep 2024 S3, 24 Sep 2024 S3, 25 Sep 2024 S1, 25 Sep 2024 S3, 17 Sep 2025 S3, 24 Sep 2025 S1. This one: 24 Sep 2025 S1 See all 7 of this type

    67
    Two taps can fill a tub in 6 minutes and 4 minutes, respectively. A pipe can empty it in 3 minutes. If all the three are kept open simultaneously, when will the tub be full?

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  10. Question 10

    This type asked 6 times: 24 Jul 2023 S1, 11 Sep 2024 S1, 13 Sep 2024 S1, 24 Sep 2024 S1, 26 Sep 2024 S1, 26 Sep 2024 S3. This one: 26 Sep 2024 S3 See all 6 of this type

    57
    A tank is filled in 45 minutes by two pipes, A and B. Pipe B fills the tank twice as fast as A. How much time (in minutes) will pipe A alone take to fill the tank?

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