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      Question

      144 (1/2) Γ— 14 – 28 = 7 Γ—

      ?Β  What will come in the place of question mark (?) in the given expression?
      A 40 Correct Answer Incorrect Answer
      B 20 Correct Answer Incorrect Answer
      C 35 Correct Answer Incorrect Answer
      D 50 Correct Answer Incorrect Answer

      Solution

      144(1/2) Γ— 14 – 28 = 7 Γ— ? 12 Γ— 14 – 28 = 7 Γ— ? 168 – 28 = 7 Γ— ? 140 = 7 Γ— ? ? = (140 Γ· 7) ? = 20

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