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Equal percentages of two or three quantities: their ratio

This type of question, asked 5 times: 17 Sep 2025 S2, 18 Sep 2025 S1, 18 Sep 2025 S2, 19 Sep 2025 S1, 19 Sep 2025 S2. All 5 questions below, oldest first.

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  1. Question 1

    17 Sep 2025 S2

    52
    If 20% of (P + Q) = 50% of (P −- Q), then find the ratio P: Q.

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  2. Question 2

    18 Sep 2025 S1

    53
    If 25%25\% of (P+Q)=75%(P + Q) = 75\% of (P−Q)(P - Q), then find the ratio P:QP : Q.

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  3. Question 3

    18 Sep 2025 S2

    51
    If 30%30\% of mm is equal to 18%18\% of nn, what is the ratio m:nm : n?

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  4. Question 4

    19 Sep 2025 S1

    52
    If 25%25\% of A = 20%20\% of B = 10%10\% of C, find A : B : C.

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  5. Question 5

    19 Sep 2025 S2

    53
    If 12.5%12.5\% of p is equal to 50%50\% of q, what is the ratio p : q?

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