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Simple and Compound Interest

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 13 times: 18 Jul 2023 S3, 20 Jul 2023 S3, 20 Jul 2023 S4, 25 Jul 2023 S3, 26 Jul 2023 S2, 27 Jul 2023 S3, 11 Sep 2024 S2, 17 Sep 2024 S2, 17 Sep 2024 S3, 19 Sep 2024 S2, 24 Sep 2024 S1, 26 Sep 2024 S2, 19 Sep 2025 S2. This one: 19 Sep 2025 S2 See all 13 of this type

    58
    At what rate of simple interest will ₹2,000 become ₹2,520 in 4 years?

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  2. Question 2

    This type asked 9 times: 14 Jul 2023 S3, 25 Jul 2023 S4, 10 Sep 2024 S1, 18 Sep 2024 S2, 13 Sep 2025 S3, 17 Sep 2025 S1, 17 Sep 2025 S3, 18 Sep 2025 S2, 24 Sep 2025 S1. This one: 24 Sep 2025 S1 See all 9 of this type

    52
    A sum of ₹8000 is lent out in two parts, one at 5%5\% simple interest and the other at 7%7\% simple interest. If the annual interest is ₹500, the sum lent at 7%7\% is:

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  3. Question 3

    This type asked 8 times: 14 Jul 2023 S2, 17 Jul 2023 S1, 9 Sep 2024 S3, 19 Sep 2024 S1, 24 Sep 2024 S3, 12 Sep 2025 S3, 17 Sep 2025 S1, 19 Sep 2025 S2. This one: 19 Sep 2025 S2 See all 8 of this type

    59
    A person invested ₹8,000 in one scheme at 6%6\% simple interest and ₹5,000 in another scheme at 8%8\% simple interest for the same duration. If he received a total interest of ₹1,760 from both investments, what was the duration (time period) of the investments?

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  4. Question 4

    This type asked 8 times: 17 Jul 2023 S4, 20 Jul 2023 S1, 21 Jul 2023 S2, 24 Jul 2023 S1, 26 Jul 2023 S1, 12 Sep 2024 S2, 23 Sep 2024 S2, 25 Sep 2024 S1. This one: 25 Sep 2024 S1 See all 8 of this type

    63
    The simple interest on a sum for 6 years is three-fifth of the sum. The rate of interest per annum is:

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  5. Question 5

    Asked 7 times: 9 Sep 2024 S1*, 11 Sep 2024 S3*, 13 Sep 2024 S1*, 18 Sep 2024 S3*, 19 Sep 2024 S3*, 25 Sep 2024 S2*, 25 Sep 2024 S3 (* = numbers or wording changed that year) See all 7 times it was asked

    61
    Pranav borrows a sum of ₹335180 at the rate of 13% per annum simple interest. At the end of the first year, he repays ₹23060 towards return of principal amount borrowed. If Pranav clears all pending dues at the end of the second year, including interest payment that accrued during the first year, how much does he pay (in ₹) at the end of the second year?

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  6. Question 6

    Asked 7 times: 18 Jul 2023 S3*, 20 Jul 2023 S3*, 20 Jul 2023 S4*, 27 Jul 2023 S3*, 11 Sep 2024 S2*, 17 Sep 2024 S3*, 24 Sep 2024 S1 (* = numbers or wording changed that year) See all 7 times it was asked

    67
    In how much time (in years, rounded off to 2 decimal places) will ₹10,800 amount to ₹24,800 if invested at simple interest at the rate of 15.5%15.5\% per annum?

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  7. Question 7

    This type asked 6 times: 18 Jul 2023 S1, 18 Jul 2023 S4, 24 Jul 2023 S4, 12 Sep 2024 S1, 19 Sep 2025 S3, 21 Sep 2025 S1. This one: 21 Sep 2025 S1 See all 6 of this type

    54
    A certain sum becomes 4 times itself in 8 years at simple interest. In how many years will it become 12 times itself at the same rate?

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  8. Question 8

    Asked 5 times: 20 Jul 2023 S1*, 21 Jul 2023 S2, 24 Jul 2023 S1*, 26 Jul 2023 S1*, 12 Sep 2024 S2 (* = numbers or wording changed that year) See all 5 times it was asked

    52
    A person borrowed some money on simple interest. After 4 years, he returned 95\frac{9}{5} of the money to lender. What was the rate of interest?

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  9. Question 9

    This type asked 5 times: 19 Jul 2023 S1, 27 Jul 2023 S1, 12 Sep 2024 S3, 26 Sep 2025 S1, 26 Sep 2025 S3. This one: 26 Sep 2025 S3 See all 5 of this type

    53
    Rs. 1500 is lent out at 6 % per annum simple interest for 3 years. Find the amount after 3 years.

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  10. Question 10

    This type asked 5 times: 14 Jul 2023 S1, 24 Jul 2023 S2, 17 Sep 2024 S1, 26 Sep 2024 S3, 21 Sep 2025 S3. This one: 21 Sep 2025 S3 See all 5 of this type

    53
    If the simple interest on a sum of Rs. A at 6% per annum for 2 years is equal to the simple interest on Rs. B at 4% per annum for 3 years, then what is the ratio of A to B?

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