other govt exam AIIMS CRE LDC/UDC/Steno/DEO/JAA/SAA Test Series 2025 Quantitative Aptitude Time and Work Work Efficiency
A and B can do a job in 12 and 15 days respectively. A works alone for 6 days after which B joins him to complete the work. For how many days did B work on the job?
1
\(6\frac{2}{3}\)
2
\(8\frac{1}{3}\)
3
5
4
\(3\frac{1}{3}\)