engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Quantitative Aptitude Time and Work Work Efficiency
A can do 4/5 of a work in 20 days and B can do 3/4 of the same work in 15 days. They work together for 10 days. C alone completes the remaining work in 1 day. B and C together can complete 3/4 the same work in:
1
5 days
2
6 days
3
4 days
4
8 days