If A can finish a work in 12 days and B can finish same work in 15 days.then they together can finish that work in how many days?	Choose the correct choice from the following answers: A) 15 B) 12 C) 20/3 D) 8 E) 10/3
A work in 1 hour=1/12,B work in 1 hour=1/15   [A+B] work in 1 hour=[1/12+1/15] = 3/20   Time take by both to finish the work=20/3hour   Answer 20/3
<result>C</result>
If A can finish a work in 12 days and B can finish same work in 15 days.then they together can finish that work in how many days?