Civil Services Uttar Pradesh (उत्तर प्रदेश) PCS Mock Test Series 2025 Quantitative Aptitude Time and Work Work Efficiency
A and B can do a task in 10 hours. While A and C need 12 hours to finish the task, B and C can finish it in 15 hours. B can do the task on their own in?
1
12
2
42
3
24
4
36