issb intelligence MCQ #468

Next number: 2, 3, 5, 7, 11, 13, ?

issb intelligence MCQ #468

  1. Question 1

    Q1. Next number: 2, 3, 5, 7, 11, 13, ?

    • A) 15
    • B) 17
    • C) 19
    • D) 21

    Answer: 17

    Explanation: Prime number sequence so next after 13 is 17. Work each step carefully; ISSB math rewards accuracy under time pressure.