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      Question

      The numbers are in the ratio 7:10:12. If (sum of

      smallest and largest) exceeds (sum of smallest and middle) by 30, find the largest number.
      A 155 Correct Answer Incorrect Answer
      B 180 Correct Answer Incorrect Answer
      C 170 Correct Answer Incorrect Answer
      D 163 Correct Answer Incorrect Answer

      Solution

      ATQ, Let the three numbers be 7x, 10x and 12x respectively. ATQ, (7x + 12x) тАУ (7x + 10x) = 30 Or, 2x = 30 So, x = 15 Therefore, largest number = 12x = 12 ├Ч 15 = 180

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