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Coded relations: what does a two-symbol expression (A x B + C) mean

This type of question, asked 5 times: 14 Sep 2025 S3, 15 Sep 2025 S3, 16 Sep 2025 S3, 17 Sep 2025 S2, 22 Sep 2025 S1. All 5 questions below, oldest first.

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  1. Question 1

    14 Sep 2025 S3

    18
    P + Q means P is the husband of Q, P −- Q means P is the sister of Q, P ×\times Q means P is the mother of Q. Then what does A ×\times B + C mean?

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  2. Question 2

    15 Sep 2025 S3

    23
    Given: P & Q: P is the husband of Q P % Q: P is the daughter of Q P # Q: P is the father of Q P @ Q: P is the brother of Q What does R # S & T mean?

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  3. Question 3

    16 Sep 2025 S3

    21
    A ++ B means A is the mother of B, A ÷\div B means A is the father of B, A −- B means A is the sister of B, A ×\times B means A is the brother of B. What does P÷Q−RP \div Q - R mean?

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  4. Question 4

    17 Sep 2025 S2

    21
    X + Y means X is the mother of Y, X - Y means X is the brother of Y, X * Y means X is the sister of Y. Then what does A - B + C mean?

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  5. Question 5

    22 Sep 2025 S1

    5
    A −- B means A is the sister of BA ×\times B means A is the mother of BA ÷\div B means A is the father of BA + B means A is the brother of B What is the relation in A ×\times B + C?

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