New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Find out the wrong number in the following given number series :

    9 17 53 103 310

    619
    A 53 Correct Answer Incorrect Answer
    B 103 Correct Answer Incorrect Answer
    C 310 Correct Answer Incorrect Answer
    D 619 Correct Answer Incorrect Answer
    E 17 Correct Answer Incorrect Answer

    Solution

    9 × 2 – 1 = 17 17 × 3 + 1 = 52 52 × 2 – 1 = 103 103 × 3 + 1 = 310 310 × 2 – 1 = 619

    Practice Next

    Relevant for Exams: