other govt exam CCI Junior Commercial Executive & Junior Assistant 2024 Mock Tests Quantitative Aptitude Time and Work Work Efficiency
A and B can do a certain work in 27 days and 36 days, respectively. A worked for a few days and then B joined him. They together worked till the completion of the work. If the work got completed in a total of 18 days, then for how many days did A and B work together?
1
10
2
15
3
18
4
12