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Letters or symbols stand for operations (P = +, # = x, etc.): evaluate the expression

This type of question, asked 14 times: 25 Jul 2023 S2, 27 Jul 2023 S2, 12 Sep 2025 S1, 13 Sep 2025 S2, 15 Sep 2025 S1, 16 Sep 2025 S1, 16 Sep 2025 S3, 17 Sep 2025 S2, 17 Sep 2025 S3, 19 Sep 2025 S3, 22 Sep 2025 S1, 22 Sep 2025 S3, 23 Sep 2025 S1, 23 Sep 2025 S3. All 16 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    25 Jul 2023 S2

    25
    If ‘<’ means ‘-’, ‘!’ means ‘×\times’, ‘>’ means ‘+’ and ‘$\text{\textdollar}’ means ‘÷\div’, then what is the value of the following expression? 183 > 39 $\text{\textdollar} 13 ! 6 < 26

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  2. Question 2

    27 Jul 2023 S2

    9
    If ‘<’ means ‘−-’, ‘!’ means ‘×\times’, ‘>’ means ‘+’ and ‘$\text{\textdollar}’ means ‘÷\div’, then what is the value of the following expression? 205>210 $15!2<19205 > 210 \text{ \textdollar } 15 ! 2 < 19

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  3. Question 3

    12 Sep 2025 S1

    25
    If # = ×\times, @ = −-, $\text{\textdollar} = +, then evaluate: 9 # 2 @ 3 $\text{\textdollar} 1

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  4. Question 4

    13 Sep 2025 S2

    21
    If 'X' means '+', 'Y' means '−-', 'Z' means '×\times', and 'W' means '÷\div' what is the value of the following expression? 15 W 3 X 2 Y 4=?

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  5. Question 5

    15 Sep 2025 S1

    25
    If # = +, @ = ×\times, % = −-, then (5 # 2) @ 3 % 4 = ?

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  6. Question 6

    15 Sep 2025 S1

    4
    If 'P' denotes 'addition', 'D' denotes 'subtraction', 'S' denotes 'multiplication', and 'V' denotes 'division', then what will be the value of the following expression? 5 (7 S 3) D 3 (8 P 6) V 7 D 11 (3 S 13 S 2) P 2 (41 S 9)

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  7. Question 7

    16 Sep 2025 S1

    5
    If ' Z ' denotes 'addition', ' X ' denotes 'multiplication', ' Y ' denotes 'division', and ' W ' denotes 'subtraction', then what will be the value of the following expression? 3.2 Z (0.56 Y 1.4 X 4) W 5 X 5 Y 25 Z 5.

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  8. Question 8

    16 Sep 2025 S3

    23
    If 'A' means '−-', 'B' means '÷\div', 'C' means '++', and 'D' means ‘×\times’ what is the value of the following expression? 25 B 5 C 3 D 2 A 4=?

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  9. Question 9

    17 Sep 2025 S2

    24
    If $\text{\textdollar} = −-, % = ×\times, # = +, then 18 % 2 $\text{\textdollar} 3 # 1 = ?

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  10. Question 10

    17 Sep 2025 S2

    22
    If 'M' means '+', 'N' means '−-', 'O' means '×\times', and 'P' means '÷\div' what is the value of the following expression? 18 P 3 M 5 O 2=?

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  11. Question 11

    17 Sep 2025 S3

    6
    If 'P' denotes 'addition', 'D' denotes 'subtraction', 'S' denotes 'multiplication', and 'V' denotes 'division', then what will be the value of the following expression? (48 V 8 P 25 D 6 S 4 P 3) D (25 V 5 S 3 D 4 S 3)

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  12. Question 12

    19 Sep 2025 S3

    8
    If 'P' denotes 'addition', 'D' denotes 'subtraction', 'S' denotes 'multiplication', and 'V' denotes 'division', then what will be the value of the following expression? {20 D (25 D 33)} V {−5 S 4 D (−6)} P 56 V (−27 P 13)\{20\ \text{D}\ (25\ \text{D}\ 33)\}\ \text{V}\ \{-5\ \text{S}\ 4\ \text{D}\ (-6)\}\ \text{P}\ 56\ \text{V}\ (-27\ \text{P}\ 13)

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  13. Question 13

    22 Sep 2025 S1

    17
    If 'P' denotes '+', 'Q' denotes '×\times', 'R' denotes '−-', and 'S' denotes '÷\div' what is the value of the following expression? 6 Q 2 P 4 R 3 S 1 =?

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  14. Question 14

    22 Sep 2025 S3

    18
    If 'A' denotes '+', 'B' denotes '-', 'C' denotes '×\times', and 'D' denotes ‘÷\div’ what is the value of the following expression? 12 A 6 C 2 B 4=?

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  15. Question 15

    23 Sep 2025 S1

    18
    If @ = +, # = -, $\text{\textdollar} = ×\times, & = ÷\div; 8 $\text{\textdollar} 2 @ 6 # 3 = ?

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  16. Question 16

    23 Sep 2025 S3

    20
    If @ = -, % = ×\times, # = +; then 10 % 2 @ 4 # 3 = ?

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