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      Question

      What approximate value will come in place of the question

      mark (?) in the following question? (Note: You are not expected to calculate the exact value.) 17.5% of ? + √400.47 = 26.1% of 180.78
      A 162.5 Correct Answer Incorrect Answer
      B 105 Correct Answer Incorrect Answer
      C 134.5 Correct Answer Incorrect Answer
      D 150 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      17.5% of ? + √400.47 = 26.1% of 180.78

      18% of ? + √400 ~ 26% of 181

      (18/100) × ? + 20 ~ 47

      (18/100) × ? ~ 47 – 20

      ? ~ 27 × (100/18)

      ? ~ 150

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