state gov Bihar SSC (BSSC) Inter Level Mock Test 2024 - 25 Quantitative Aptitude Time and Work Work Efficiency
A and B can complete a work in 12 days, B and C can complete the same work in 15 days and C and A can complete the same work in 20 days. A alone complete the 30% of work in:
1
12 days
2
15 days
3
10 days
4
9 days