issb mathematics MCQ #808

6 workers finish in 20 days. 10 workers finish in?

issb mathematics MCQ #808

  1. Question 1

    Q1. 6 workers finish in 20 days. 10 workers finish in?

    • A) 10 days
    • B) 11 days
    • C) 12 days
    • D) 13 days

    Answer: 12 days

    Explanation: Total 120 man-days so 120 divided by 10 is 12 days. Work each step carefully; ISSB math rewards accuracy under time pressure.