Anil can do a piece of work in 5 days and ankur in 4 days. How long will they take to do the same work, if they work together?

Sita can do a work in 15 days and Gita can do it in 25 days and Meera in 30 days. How long will they take to do the work, if they work together?

Sita can do a work in 15 days and Gita can do it in 25 days and Meera in 30 days. How long will they take to do the work, if they work together?

A can do a piece of work in 10 days and B in 15 days. How long will they take to finish it working together ?

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 ?

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 ?

A can do a piece of work in 10 days and B can do the same work in 12 days. How long will they take to finish the work, if both work together?

Raj can do a piece of work in 20 days and Rohan can do it in 12 days. How long will they take, if both work together?