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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.) 10.89 Γ— √80.9 + 7.12 Γ— (27.83)(1/3) = 14.86 Γ— ?
      A 57 Correct Answer Incorrect Answer
      B 8 Correct Answer Incorrect Answer
      C 21 Correct Answer Incorrect Answer
      D 27 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, 10.89 Γ— √80.9 + 7.12 Γ— (27.83)(1/3) = 14.86 Γ— ? 11 Γ— √81 + 7 Γ— (27)(1/3) ~ 15 Γ— ? 11 Γ— 9 + 7 Γ— 3 ~ 15 Γ— ? 99 + 21 ~ 15 Γ— ? ? ~ 120 Γ· 15 ? ~ 8

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