issb mathematics MCQ #492

12 men do work in 9 days. 18 men in?

issb mathematics MCQ #492

  1. Question 1

    Q1. 12 men do work in 9 days. 18 men in?

    • A) 4 days
    • B) 5 days
    • C) 6 days
    • D) 7 days

    Answer: 6 days

    Explanation: Total 108 man-days so 108 divided by 18 is 6 days. Work each step carefully; ISSB math rewards accuracy under time pressure.