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      Question

      Find the wrong number, in the given number series,

      4, 10, 20, 40, 100, 250, 500
      A 10 Correct Answer Incorrect Answer
      B 20 Correct Answer Incorrect Answer
      C 4 Correct Answer Incorrect Answer
      D 40 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, 4 × 2.5 = 10 10 × 2 = 20 20 × 2.5 = 50 50 × 2 = 100 100 × 2.5 = 250 250 × 2 = 500 So, 50 should come in place of 40.

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