A can do a piece of work in 12 days, and B in 15 days. They work together for 5 days and then B left. The days taken A to finish the remaining work is :
A can do a piece of work in 12 days, and B in 15 days. They work together for 5 days and then B left. The days taken A to finish the remaining work is :
[A]3 days
[B]5 days
[C]10 days
[D]121 days
3 days
Work done by A and B in 5 days
Remaining work
∴ Time taken by A
Hence option [A] is correct answer.
