other govt exam CSIR Junior Secretariat Assistant (JSA) 2025 Mock Test Quantitative Aptitude Time and Work Work Efficiency
Arihant starts doing a certain work. After 4 days, Arun who is half efficient as Arihant starts working on the same work. As a result, the work gets completed in 9 more days. What is the time to complete the work if Arun does it alone?
1
32 days
2
35 days
3
38 days
4
39 days