railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Quantitative Aptitude Time and Work Work Efficiency
Srinivas can do a job in 15 days and Ramesh can do the same job in 9 days. With the help of Ravi, they did the job in 3 days. In how many days can Ravi alone do the same job?
1
\(6 \frac{2}{5} \) days
2
\(6 \frac{3}{7} \) days
3
\(6 \frac{1}{5} \) days
4
10 days