defence exam DGAFMS Group C 2025 Mock Test Series Quantitative Aptitude Time and Work Work Efficiency
A can do 40% of a work in 6 days and B can do 30% of the same work in 3 days. They started the work together but B left after 2 days and A continued to work. In how many days was the entire work completed?
1
9
2
12
3
15
4
10