issb mathematics MCQ #592

6 men do work in 20 days. 15 men in?

issb mathematics MCQ #592

  1. Question 1

    Q1. 6 men do work in 20 days. 15 men in?

    • A) 6 days
    • B) 7 days
    • C) 8 days
    • D) 9 days

    Answer: 8 days

    Explanation: Total 120 man-days so 120 divided by 15 is 8 days. Work each step carefully; ISSB math rewards accuracy under time pressure.