Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 Quantitative Aptitude Time and Work Work Efficiency
The efficiency of A is 30% of B. If both together can do a work in 20 days in how much time B alone can do it?
1
20 days
2
24 days
3
26 days
4
36 days
5
Answer not known