"Amit can do a piece of work in 4 days and Sumit can do it in 6 days How long will they take, if
Channel: Doubtnut
Date: 2020-07-05

"Amit can do a piece of work in 4 days and Sumit can do it in 6 days How long will they take, if
 
  both Amit and Sumit work together ?"