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      Question

      210.34 + 16.92² + ?³ = √900.56 *

      31.23 What approximate value should come in the place of (?) in the following questions? (Note:- You don't need to calculate the exact values)
      A 13 Correct Answer Incorrect Answer
      B 2 Correct Answer Incorrect Answer
      C 8 Correct Answer Incorrect Answer
      D 3 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      210.34 + 16.92² + ?³ = √900.56 * 31.23

      210 + 17² + ?³ = √901 * 31

      210 + 289 + ?³ = 30 * 31

      499 + ?³ = 930

      ?³ = 431

      ? ≈ 8

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