SSC Delhi Police Constable 2025 Mock Test Series (New) Quantitative Aptitude Time and Work Work Efficiency
A man can do a work in 10 days. The man along with a boy can do the same work in 8 days. What is the ratio of efficiencies of work of the man and the boy?
1
2 : 1
2
3 : 1
3
4 : 1
4
5 : 1