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      Question

      If ‘-’ stands for ‘division’,

      ‘+’ for ‘multiplication’, ‘÷’ for ‘subtraction’ and ‘×’ for ‘addition’, Which one of the following equations is correct?
      A 21 – 3 + 10 x 7 Γ· 9 = 68 Correct Answer Incorrect Answer
      B 21 + 3 - 10 x 7 x 9 = 68 Correct Answer Incorrect Answer
      C 21 – 3 x 10 + 7 + 9 = 68 Correct Answer Incorrect Answer
      D 21 x 3 Γ· 10 x 7 Γ· 9 = 68 Correct Answer Incorrect Answer

      Solution

      On replacing the signs in equation 1 21 ÷ 3 x 10 + 7 – 9 = 68

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