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      Question

      What will come in the place of the question mark (?) in

      the following equation if β€˜+’ and β€˜-’ are interchanged and β€˜x’ and β€˜Γ·β€™ are interchanged? 163 Γ· 3 + 147 Γ— 7 – 1 =?
      A 459 Correct Answer Incorrect Answer
      B 469 Correct Answer Incorrect Answer
      C 479 Correct Answer Incorrect Answer
      D 489 Correct Answer Incorrect Answer

      Solution

      163 Γ· 3 + 147 Γ— 7 – 1 =? 163 x 3 – 147 Γ· 7 + 1 163 x 3 – 21 + 1 489 – 21 + 1 468 + 1 = 469

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