SSC SSC CPO Mock Test Series 2025 (Tier I & II) (DP SI & CAPF) Quantitative Aptitude Time and Work Work Efficiency
The efficiency ratio of A and B is 4 : 5. B alone can complete the work in 20 days. They work for 5 days, then C joined them, and work completes in 5 days. Find in how many days C alone complete the work.
1
20 days
2
30 days
3
40 days
4
50 days