state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Time and Work Work Efficiency
12 men and 16 women can do a piece of work in 6 days and 15 men and 30 women can do it in 4 days. The time (in days) needed for 6 men and 12 women to complete it is
1
14
2
12
3
10
4
9