railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Time and Work Work Efficiency
A can do a certain work in 40 days. B is 66(⅔)% less efficient than A and C is 300% more efficient than B. All the three started the work together. If B and C left the work 4 days and 2 days before the completion of the work, respectively, then in how many days was the entire work completed?
1
14.2 days
2
16.5 days
3
18.6 days
4
13.5 days