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      Question

      What will come in the

      place of question mark (?) in the given expression? 9 Γ— √100 + √? Γ— 2 = 126
      A 169 Correct Answer Incorrect Answer
      B 196 Correct Answer Incorrect Answer
      C 144 Correct Answer Incorrect Answer
      D 81 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      9 Γ— √100 + √? Γ— 2 = 126

      9 Γ— 10 + √? Γ— 2 = 126

      90 + √? Γ— 2 = 126

      √? Γ— 2 = 36

      √? = 18

      ? = 324

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