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      Question

      What will come in the place of question mark (?) in the

      given expression? 3.6 X 15 + 4.5 X 12 = 40% of (? - 50)
      A 258 Correct Answer Incorrect Answer
      B 362 Correct Answer Incorrect Answer
      C 320 Correct Answer Incorrect Answer
      D 285 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      3.6 X 15 + 4.5 X 12 = 40% of (? - 50)

      54 + 54 = 0.40 X (? - 50)

      108 = 0.40 X (? - 50)

      ? - 50 = (108/0.40)

      ? - 50 = 270

      ? = 320

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