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      Question

      Some amount was divided among A, B and C in the ratio

      2:5:7. If the share of A is 45 less than share of C, then find the 1/3rd of total amount (in Rs).
      A 42 Correct Answer Incorrect Answer
      B 20 Correct Answer Incorrect Answer
      C 39 Correct Answer Incorrect Answer
      D 63 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      A : B : C = 2 : 5 : 7 A : B : C = 2x : 5x : 7x => A = C – 45 => 2x = 7x – 45 => x = 9 A + B + C = 2x + 5x + 7x = 14x = 14 × 9 = 126 => 1/3 × 126 = 42

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