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      Question

      42.5% of 20% of 960 = x + 18.4, then find the sum of the

      squares of each digit in 'x'.
      A 49 Correct Answer Incorrect Answer
      B 67 Correct Answer Incorrect Answer
      C 45 Correct Answer Incorrect Answer
      D 85 Correct Answer Incorrect Answer

      Solution

      ATQ,

      42.5% of 20% of 960 = x + 18.4

      Or, (17/40) ├Ч (20/100) ├Ч 960 = x + 18.4

      Or, 81.6 = x + 18.4

      Or, x = 81.6 тИТ 18.4 = 63.2

      Now, ignore decimal and take only digits: 6, 3, 2

      Required sum = 6┬▓ + 3┬▓ + 2┬▓ = 36 + 9 + 4 = 49

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