state gov BMC Clerk - Karyakari Sahayak Mock Test 2024 Quantitative Aptitude Time and Work Work Efficiency
Z1, Z2 and Z3 can do a work in 100, 50 and 75 days respectively. All three of them began the work together but Z2 left 15 days before the completion of the work. In how many days was the work completed?
1
30 days
2
45 days
3
35 days
4
40 days