In How Many Days Shall B Finish the Whole Work Alone? If

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?

  1. 30 days
  2. 40 days
  3. 70 days
  4. 60 days
Monis Rasool Professor Asked on 13th June 2015 in Maths.
Add Comment
  • 1 Answer(s)

    Answer: (4) 60 days
    Explanation:-

    Let A can do the work = X days.   And B can do the do the work = Y days
    According to the question,
    X + Y = 1/30      .        ………………(1)
    and 16X + 44Y = 1                 …………….(2)

    Solve equation (1) and (2)
    X = 1/60   and Y = 1/60
    Therefore, A can do finish the work = 60 days    and B can do finish the work = 60 days.

    Hence, the answer is (4) 60 days.

    Anurag Mishra Professor Answered on 13th June 2015.
    Add Comment
  • Your Answer

    By posting your answer, you agree to the privacy policy and terms of service.