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    1. Home
    2. Questions
    3. Quantitative Aptitude
    4. Missing Series
    5. 12, 11, 20, 57, 224, 1015

    Question

    Find out the wrong number in the given number series 

    12, 11, 20, 57, 224,

    1015
    A 11 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 1015 Correct Answer Incorrect Answer
    D 57 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 12 × 1 – 1 = 11 11 × 2 – 2 = 20 20 × 3 – 3 = 57 57 × 4 – 4 = 224 224 × 5 – 5 = 1115 Therefore, 1115 should come in place of 1015

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    Relevant for Exams:

    • SSC CGL

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