Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 Quantitative Aptitude Time and Work Work Efficiency
If A and B can built a wall in 20 and 35 days respectively. If they work for a day alternately, then in how many days the work would be finished if A begins the work.
1
\(25\frac{1}{4}\) days
2
24 days
3
25 days
4
\(24\frac{1}{4}\) days
5
Answer not known