New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    What will come in place of (?) in the given number series.

    2, 6, 15, 31, 56, ?
    A 50 Correct Answer Incorrect Answer
    B 92 Correct Answer Incorrect Answer
    C 60 Correct Answer Incorrect Answer
    D 75 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Pattern: Add squares of natural numbers

    2 + 2² = 6

    6 + 3² = 15

    15 + 4² = 31

    31 + 5² = 56

    56 + 6² = 92

    Practice Next

    Relevant for Exams: