Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Quantitative Aptitude Time and Work Work Efficiency
If A, B, and C together can complete a piece of work in 20 days and A alone in 24 days, then in how many days can B & C together complete the work?
1
60 days
2
30 days
3
45 days
4
More than one of the above
5
None of the above