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    Question

    In each of the following number series, one term is

    wrong. Find the wrong term. 3, 10, 26, 58, 130, 272
    A 10 Correct Answer Incorrect Answer
    B 26 Correct Answer Incorrect Answer
    C 58 Correct Answer Incorrect Answer
    D 130 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Check for multiplication + addition pattern: From 3 to 10: 3 × 2 + 4 = 6 + 4 = 10 From 10 to 26: 10 × 2 + 6 = 20 + 6 = 26 From 26 to next (should be): 26 × 2 + 8 = 52 + 8 = 60 From 60 to next: 60 × 2 + 10 = 120 + 10 = 130 From 130 to next: 130 × 2 + 12 = 260 + 12 = 272 So the pattern is: Multiply by 2 and add even numbers increasing by 2: +4, +6, +8, +10, +12 Correct series: 3, 10, 26, 60, 130, 272 Given series has 58 instead of 60. Therefore, 58 is the wrong term.

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