issb mathematics MCQ #474

C alone finishes in 30 days. Daily work fraction?

issb mathematics MCQ #474

  1. Question 1

    Q1. C alone finishes in 30 days. Daily work fraction?

    • A) 1/15
    • B) 1/20
    • C) 1/25
    • D) 1/30

    Answer: 1/30

    Explanation: One day work is one divided by 30 days. Work each step carefully; ISSB math rewards accuracy under time pressure.