state gov Bihar SSC (BSSC) Inter Level Mock Test 2024 - 25 Quantitative Aptitude Time and Work Work Efficiency
Worker A takes 6 hours to do a job. Worker B takes 8 hours to do the same job. How long should it take both A and B working together to complete the same job?
1
\( 8 \frac{2}{5}\) hours
2
\(4 \frac{4}{7}\) hours
3
\(3 \frac{3}{7}\) hours
4
\(4 \frac{4}{9}\) hours