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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.) (√5776 + 64.05% of 1249.98 − 49.92²) = ?
      A 1090 Correct Answer Incorrect Answer
      B -1210 Correct Answer Incorrect Answer
      C 1260 Correct Answer Incorrect Answer
      D -1624 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      (√5776 + 64.05% of 1249.98 − 49.92²) ≈ (√5776 + 64% of 1250 − 50²) ≈ (76 + (0.64 × 1250) − 2500) ≈ (76 + 800 − 2500) ≈ 876 − 2500 = −1624

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