issb mathematics MCQ #333

A and B finish a job in 6 days together. A alone in 12 days. B alone?

issb mathematics MCQ #333

  1. Question 1

    Q1. A and B finish a job in 6 days together. A alone in 12 days. B alone?

    • A) 12 days
    • B) 18 days
    • C) 24 days
    • D) 8 days

    Answer: 12 days

    Explanation: A rate 1/12 plus B rate gives 1/6 so B rate is 1/12 meaning 12 days.