A and B can complete a work in 15 days and 10 days respectively and with the help of C, they can complete the work in 5 days. Now, A and B start working alternately for 8 days and after that, they both left the work and C completed the remaining work. Find the time taken by C to complete the remaining work.
1
10 days
2
12 days
3
14 days
4
15 days
5
8 days