engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Time and Work Work Efficiency
A, B and C together can complete a piece of work in 20 days. All the three started working at it together and after 8 days A left. Then B and C together completed the work in 20 more days. In how many days shall A alone finish the whole work?
1
18 days
2
50 days
3
35 days
4
21 days