issb intelligence MCQ #343

If 2@3=8 and 3@4=15, rule a@b=a×b+1. Then 4@5=?

issb intelligence MCQ #343

  1. Question 1

    Q1. If 2@3=8 and 3@4=15, rule a@b=a×b+1. Then 4@5=?

    • A) 19
    • B) 20
    • C) 21
    • D) 22

    Answer: 21

    Explanation: Four times five plus one equals twenty one. Work each step carefully; ISSB math rewards accuracy under time pressure.