issb intelligence MCQ #418

Next number: 6, 11, 21, 36, 56, ?

issb intelligence MCQ #418

  1. Question 1

    Q1. Next number: 6, 11, 21, 36, 56, ?

    • A) 71
    • B) 76
    • C) 81
    • D) 86

    Answer: 81

    Explanation: Differences 5,10,15,20 so add 25 to get 81. Work each step carefully; ISSB math rewards accuracy under time pressure.