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    Question

    Select the correct sequence of mathematical signs to

    replace the ‘@’ signs so as to balance the given equation. 252 @ 28 @ 11 @ 5 @ 22 = 42
    A ÷ + - × Correct Answer Incorrect Answer
    B ÷ + × - Correct Answer Incorrect Answer
    C + × ÷ - Correct Answer Incorrect Answer
    D ÷ × - + Correct Answer Incorrect Answer

    Solution

    1) 252 ÷ 28 + 11 – 5 x 22 = 42 9 + 11 – 5 x 22 = 42 9 + 11 – 110 = 42 -80 ≠ 42. 2) 252 ÷ 28 + 11 × 5 - 22 = 42 9 + 11 × 5 - 22 = 42 9 + 55 – 22 = 42 42 = 42. 3) 252 + 28 x 11 ÷ 5 – 22 = 42 252 + 61.6 – 22 = 42 291.6 ≠ 42. 4) 252 ÷ 28 x 11 – 5 + 22 = 42 9 x 11 – 5 + 22 = 42 99 – 5 + 22 = 42 116 ≠ 42.

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