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      Question

      (√1157 + 10.15% of 159.89) × 4.85 + 150.25 = ? ×

      19.67 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 20 Correct Answer Incorrect Answer
      B 62 Correct Answer Incorrect Answer
      C 40 Correct Answer Incorrect Answer
      D 55 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, (√1157 + 10.15% of 159.89) × 4.85 + 150.25 = ? × 19.67 (√1156 + 10% of 160) × 5 + 150 ~ ? × 20 (34 + 0.1 × 160) × 5 + 150 ~ ? × 20 ? ~ (250 + 150) ÷ 20 ? ~ 20

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