engineering recuitment FCI JE 2022 Mock Test for CE/ME/EE (Phase I & II) Quantitative Aptitude Time and Work Work Efficiency
X and Y can complete a certain work in 45 days and 60 days, respectively. They started the work together but X left after some days and Y alone completed the remaining work in 39 days. For how many days did X work?
1
9 days
2
10 days
3
6 days
4
8 days
5
None of the above/More than one of the above