Teaching TS DSC Secondary Grade (సెకండరీ గ్రేడ్ టీచర్) Teacher 2024 Mock Test Quantitative Aptitude Time and Work
A can do a piece of work in 12 days and B can do the same work in 20 days. How many days will they take if both work together?
1
7
2
\(7\frac{1}{2}\)
3
8
4
\(8\frac{1}{2}\)