SSC Delhi Police MTS (Civilian) Mock Test Series Quantitative Aptitude Time and Work Work Efficiency
A can do 20% of a job in 7 days and B can do 25% of the job in 7 days if they worked alone. How much of the job (in percentage) can they complete in 7 days if they worked together?
1
38%
2
52%
3
56%
4
45%