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      Question

      If (4 Γ— 169 – 312 Γ· 12) Γ· 22 = √1296 – x, then

      determine the value of β€˜x’.
      A 13 Correct Answer Incorrect Answer
      B 6 Correct Answer Incorrect Answer
      C 7 Correct Answer Incorrect Answer
      D 9 Correct Answer Incorrect Answer

      Solution

      ATQ,

      (4 Γ— 169 – 312 Γ· 12) Γ· 22 = √1296 – x

      Or, (676 – 26) Γ· 22 = 36 – x

      Or, x = 36 – 29.5 (approx 30) = 7 Or x = 36 – 30 = 6

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