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Income and expenditure rise by given percents: percent change in savings

The same question, asked 11 times: 18 Jul 2023 S1*, 19 Jul 2023 S2*, 21 Jul 2023 S1*, 9 Sep 2024 S2*, 11 Sep 2024 S3*, 13 Sep 2024 S3*, 17 Sep 2024 S3*, 24 Sep 2024 S3*, 25 Sep 2024 S3*, 21 Sep 2025 S1*, 24 Sep 2025 S3. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    18 Jul 2023 S1

    68
    Raj's income is ₹45,000 and his expenditure is ₹33,000. If his income is increased by 20% and expenditure by 12%, then what will be the percentage increase in saving?

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  2. Question 2

    19 Jul 2023 S2

    73
    The monthly income of a person was Rs.80,000 and his monthly expenditure was Rs.45,000. Next year, his income increased by 16% and his expenditure increased by 8%. Find the percentage increase in his savings (correct to 2 decimal places).

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  3. Question 3

    21 Jul 2023 S1

    65
    The monthly income of a person was ₹12,000 and his monthly expenditure was ₹8,000. Next year, his income increased by 10% and his expenditure by 8%. Find the percentage increase in his savings.

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  4. Question 4

    9 Sep 2024 S2

    65
    A person earns ₹16,000 per month and spends 80% of his income and saves the remaining amount. If his income increases by 20% and expenditure by 10%, find the percentage of increase in his savings.

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  5. Question 5

    11 Sep 2024 S3

    69
    A woman spends 23\frac{2}{3} of her income. If her income increases by 18% and the expenditure increases by 24%, then the percentage increase in her savings will be:

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  6. Question 6

    13 Sep 2024 S3

    61
    Kalyan spends 80% of his income. His income increases by 15% and his expenditure also increases by 5%. The percentage of increase in his savings is:

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  7. Question 7

    17 Sep 2024 S3

    69
    Ajay spends 6623%66\frac{2}{3}\% of his income on different household items. If his income increases by 25%25\% and expenditure increase by 20%20\%, then the effect on his savings will be:

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  8. Question 8

    24 Sep 2024 S3

    54
    The income of a person is ₹16,500, and his expenditure is ₹12,000. Next year, his income increases by 24% but his expenditure decreases by 10%. The percentage increase (rounded off to the nearest integer) in his savings is:

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  9. Question 9

    25 Sep 2024 S3

    57
    The monthly income of Ramesh in year 2021 was ₹18,600 and his monthly expenditure was ₹12,400. In year 2022 his income increased by 15% and his expenditure increased by 8%. Find the percentage increase in his savings.

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  10. Question 10

    21 Sep 2025 S1

    63
    A man spends 80%80\% of his income. His income has increased by 25%25\%, but his expenditure remains the same. By what percent have his savings increased?

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  11. Question 11

    24 Sep 2025 S3

    58
    A man spends 75%75\% of his income. Due to inflation, his expenses increase by 20%20\%, and his income increases by 10%10\%. What is the percentage change in his savings?

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