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      Question

      If    314        306           x        

        269            394      178       1480 Then, 1/3 x + 2x - x = ? In each of the following questions a number series is given.  One term of the series is denoted by  X . You have to calculate the value of  X  and by using the value of  X ,  you have  to replace the question mark (?) in the following questions :
      A 401 Correct Answer Incorrect Answer
      B 304 Correct Answer Incorrect Answer
      C 204 Correct Answer Incorrect Answer
      D 444 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      314 -2³ = 306,   306 +3³ = 333, 333 -4³ = 269, 269 +5³ = 394, 394 - 6³ = 178 Hence, x = 333 Hence, 1/3× 333 + ( 2× 333) –333 = 111 + 666 - 333 = 444

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