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Day 8: SSC CGL Quant

5 questions. Try each one first, then open its answer.

  1. Question 1

    Time and Work. 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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  2. Question 2

    Time and Work. 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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  3. Question 3

    Ratio, Proportion and Variation. This type asked 10 times: 14 Jul 2023 S4, 25 Jul 2023 S4, 23 Sep 2024 S1, 26 Sep 2024 S2, 12 Sep 2025 S1, 14 Sep 2025 S1, 22 Sep 2025 S1, 22 Sep 2025 S3, 23 Sep 2025 S2, 24 Sep 2025 S3. This one: 24 Sep 2025 S3 See all 10 of this type

    70
    A 30-litre mixture of oil and kerosene contains oil and kerosene in the ratio 2:12:1. Some quantity of kerosene is added, changing the ratio to 1:21:2. What is the quantity of kerosene added?

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  4. Question 4

    Ratio, Proportion and Variation. This type asked 10 times: 10 Sep 2024 S2, 13 Sep 2024 S1, 17 Sep 2024 S1, 18 Sep 2024 S3, 25 Sep 2024 S2, 14 Sep 2025 S2, 15 Sep 2025 S1, 16 Sep 2025 S1, 17 Sep 2025 S1, 24 Sep 2025 S1. This one: 24 Sep 2025 S1 See all 10 of this type

    60
    A:B=3:4A:B = 3:4, B:C=6:7B:C = 6:7, C:D=14:15C:D = 14:15. What is the ratio A:DA:D?

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  5. Question 5

    Circles. This type asked 10 times: 17 Jul 2023 S3, 19 Jul 2023 S4, 27 Jul 2023 S2, 9 Sep 2024 S1, 17 Sep 2024 S2, 23 Sep 2024 S1, 15 Sep 2025 S1, 18 Sep 2025 S3, 19 Sep 2025 S2, 23 Sep 2025 S3. This one: 23 Sep 2025 S3 See all 10 of this type

    71
    Two circles have radii of 8 cm and 3 cm. The distance between their centers is 15 cm. What is the length of a direct common tangent?

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