issb mathematics MCQ #574

E alone finishes in 25 days. Daily work fraction?

issb mathematics MCQ #574

  1. Question 1

    Q1. E alone finishes in 25 days. Daily work fraction?

    • A) 1/20
    • B) 1/25
    • C) 1/30
    • D) 1/35

    Answer: 1/25

    Explanation: One day work is one divided by 25 days. Work each step carefully; ISSB math rewards accuracy under time pressure.