Teaching EMRS JSA (Junior Secretariat Assistant) Mock Test Series 2023 Quantitative Aptitude Time and Work
A1, A2 and A3 alone can complete a piece of work in 12 hour, 24 hours and 16 hours respectively. Working together, in how much time they will complete the same work?
1
5 hours 20 minutes
2
3 hours 30 minutes
3
4 hours 20 minutes
4
5 hours 30 minutes