Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Time and Work Work Efficiency
Arun alone can finish a work in 12 days and Shama alone can do it in 15 days. How much time will be taken to finish the work, if Arun and Shama work together?
1
\(5\frac{2}{3}\) days
2
\(7\frac{1}{3}\) days
3
\(5\frac{1}{3}\) days
4
\(6\frac{2}{3}\) days