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      Question

      Find the wrong number, in the given number series.

      1, 8, 27, 65, 125, 216
      A 8 Correct Answer Incorrect Answer
      B 65 Correct Answer Incorrect Answer
      C 216 Correct Answer Incorrect Answer
      D 125 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      These look like cubes of numbers:

      1 = 1³

      8 = 2³

      27 = 3³

      65 — not 4³ (which is 64)

      125 = 5³

      216 = 6³

      So the correct term after 27 should be:

      4³ = 64, not 65

      Wrong number: 65

      Correct number: 64

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