A can do a work in 24 days and B can do it in 8 days. In how many days A and B can do the work?  Pick
A) 20 days
B) 10 days
C) 6 days
D) 8 days
E) 7 days
Explanation:   A's 1day's work = 1/24   B's 1day's work = 1/8   They work together = 1/24 + 1/8 = 6 days   Answer: Option 6 days
<result>C</result>
A can do a work in 24 days and B can do it in 8 days. In how many days A and B can do the work?