📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

    3,     2,     3,    8,    31,   

    ? What should come in place of the question mark (?) in the following number series?
    A 154 Correct Answer Incorrect Answer
    B 155 Correct Answer Incorrect Answer
    C 156 Correct Answer Incorrect Answer
    D 157 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    3 × 1 - 1 = 2 2 × 2 - 1= 3 3 × 3 - 1= 8 8 × 4 - 1 = 31 31 × 5 - 1= 154

    Practice Next

    Relevant for Exams:

    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call