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      Question

      A number is first increased by 60%, then increased by 20%

      and then decreased by 40%. If the resultant number is 403.2, then find the original number.
      A 265 Correct Answer Incorrect Answer
      B 350 Correct Answer Incorrect Answer
      C 325 Correct Answer Incorrect Answer
      D 445 Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let the original number be '100x'.

      ATQ;

      100x × 1.6 × 1.2 × 0.6 = 403.2

      Or, 115.2x = 403.2

      So, x = 3.5

      So, original number = 3.5 × 100 = 350

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