SSC SSC CHSL (Tier I & Tier II) Mock Test Series 2025 (New) Quantitative Aptitude Time and Work Work Efficiency
A, B and C can do a piece of work in 11 days, 20 days and 55 days respectively. How soon can the work be done if A works with B on first day, A works with C on second day and so on?
1
\(8\frac{1}{2}\) days
2
\(9\frac{1}{2}\) days
3
8 days
4
9 days