A can do a piece of work in 10 days and B can do the same work in 12 days. A and B worked together for 2 days. How many more days are required to complete the remaining work if they work together?  Select:	A) 3 (5/19)	B) 3 (5/13)	C) 3 (5/11)	D) 3 (3/11)	E) 33(5/11)
A can do 1/10 of the work in a day.   B can do 1/12 of the work in a 1 day.   Both of them together can do (1/10 + 1/12) part of work in 1 day = (6 + 5)/60 = 11/60   They take 60/11 days to complete the work together.   Given that they already worked for 2 days.   The number of days required to complete remaining work =&gt; 60/11 - 2 = 38/11 = 3 (5/11) days.   Answer: 3 (5/11)
<result>C</result>
A can do a piece of work in 10 days and B can do the same work in 12 days. A and B worked together for 2 days. How many more days are required to complete the remaining work if they work together?