issb intelligence MCQ #55

Complete: 2, 6, 12, 20, 30, ?

issb intelligence MCQ #55

  1. Question 1

    Q1. Complete: 2, 6, 12, 20, 30, ?

    • A) 40
    • B) 42
    • C) 44
    • D) 50

    Answer: 42

    Explanation: Differences +4, +6, +8, +10, next +12 gives 42. Pattern n(n+1). Work each step carefully; ISSB math rewards accuracy under time pressure.