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      Question

      What value should come in the place of (?) in the

      following questions? 80/ √? + 19²/ √? = ?(3/2)
      A 28 Correct Answer Incorrect Answer
      B 21 Correct Answer Incorrect Answer
      C 18 Correct Answer Incorrect Answer
      D 48 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      80/ √? + 19²/ √? = ?(3/2) 80 + 361 = ?(3/2) * ?(1/2) 441 = ?4/2 ? = √441 ? = 21

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