issb intelligence MCQ #751

Next number: 20, 19, 17, 14, 10, ?

issb intelligence MCQ #751

  1. Question 1

    Q1. Next number: 20, 19, 17, 14, 10, ?

    • A) 4
    • B) 5
    • C) 6
    • D) 7

    Answer: 5

    Explanation: Differences minus 1,2,3,4 so minus 5 gives 5. Work each step carefully; ISSB math rewards accuracy under time pressure.