issb intelligence MCQ #477

Next number: 81, 64, 49, 36, 25, ?

issb intelligence MCQ #477

  1. Question 1

    Q1. Next number: 81, 64, 49, 36, 25, ?

    • A) 9
    • B) 16
    • C) 20
    • D) 24

    Answer: 16

    Explanation: Descending perfect squares so next is 16. Work each step carefully; ISSB math rewards accuracy under time pressure.