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    • Question

      √143.88 X 31.87 + √323.99 X 15.99 - 31.99 X √195 =

      ? 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.)
      A 112 Correct Answer Incorrect Answer
      B 224 Correct Answer Incorrect Answer
      C 168 Correct Answer Incorrect Answer
      D 128 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,
      √143.88 X 31.87 + √323.99 X 15.99 - 31.99 X √195 = ?

      √144 X 32 + √324 X 16 - 32 X √196 = ?

      12 X 32 + 18 X 16 - 32 X 14 = ?

      384 + 288 - 448 = ?

      ? = 224

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