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      Question

      18 × √225 + 378 ÷ √441 = ? ×

      9  What will come in place of question mark?
      A 35 Correct Answer Incorrect Answer
      B 32 Correct Answer Incorrect Answer
      C 65 Correct Answer Incorrect Answer
      D 40 Correct Answer Incorrect Answer
      E none of these Correct Answer Incorrect Answer

      Solution

      ATQ, 18 × √225 + 378 ÷ √441 = ? × 9 Or, 18 × 15 + 378 ÷ 21 = ? × 9 Or, ? × 9 = 270 + 18 So, ? = (288 ÷ 9) = 32

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