railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Quantitative Aptitude Time and Work Work Efficiency
A finish a work in 1230 days and B can do the same work in 2460 days. Working together, they will complete the same work in how many days?
1
820
2
840
3
810
4
830