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      Question

      Salaries of A and B are in the ratio 5 : 7. If A’s

      salary increases by 20% and B’s salary decreases by 10%, what is the new ratio?
      A 20:21 Correct Answer Incorrect Answer
      B 17:14 Correct Answer Incorrect Answer
      C 33:23 Correct Answer Incorrect Answer
      D 15:11 Correct Answer Incorrect Answer

      Solution

      ATQ, Let original salaries be 5 and 7. A after 20% increase: 51.2 = 6 B after 10% decrease: 70.9 = 6.3 New ratio = 6 : 6.3 Multiply by 10 => 60 : 63 Divide by 3 => 20 : 21

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