issb mathematics MCQ #690

Next number: 81, 27, 9, 3, ?

issb mathematics MCQ #690

  1. Question 1

    Q1. Next number: 81, 27, 9, 3, ?

    • A) 0
    • B) 1
    • C) 2
    • D) 6

    Answer: 1

    Explanation: Divide by 3 each step so next is 1. Work each step carefully; ISSB math rewards accuracy under time pressure.