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Quantities given as successive percentages of one another: their ratio

This type of question, asked 4 times: 19 Jul 2023 S4, 13 Sep 2025 S3, 17 Sep 2025 S3, 21 Sep 2025 S3. All 4 questions below, oldest first.

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  1. Question 1

    19 Jul 2023 S4

    52
    Two numbers are, respectively, 17%17\% and 50%50\% more than a third number. The ratio of the two numbers is:

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  2. Question 2

    13 Sep 2025 S3

    51
    If B is 25%25\% more than A, and C is 20%20\% more than B, then what is A : C?

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  3. Question 3

    17 Sep 2025 S3

    52
    If A is 25%25\% more than B, and B is 20%20\% more than C, then what is A : C?

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  4. Question 4

    21 Sep 2025 S3

    60
    Three numbers are such that the second is 150% of the first, and the third is 80% of the second. What is the ratio of the first to the third?

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