Teaching EMRS JSA (Junior Secretariat Assistant) Mock Test Series 2023 Quantitative Aptitude Time and Work
O, T and P can do a piece of work in 3, 4 and 6 hours respectively. If they are working together, then in how much time they will finish the work?
1
1 hour
2
1 hour 10 minutes
3
1 hour 20 minutes
4
1 hour 15 minutes