issb mathematics MCQ #670

Successive discount 20% then 10% on 1000?

issb mathematics MCQ #670

  1. Question 1

    Q1. Successive discount 20% then 10% on 1000?

    • A) 680
    • B) 700
    • C) 720
    • D) 750

    Answer: 720

    Explanation: After 20% SP is 800, then 10% off gives 720. Work each step carefully; ISSB math rewards accuracy under time pressure.