Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 Quantitative Aptitude Time and Work Work Efficiency
A, B and C together can do a piece of work in 6 days. A alone can do it in 12 days, B alone can do it in 30 days. In how many days can C finish the work?
1
10
2
20
3
35
4
25
5
Answer not known