A can do a work in 14 days and working together A and B can do the same work in 10 days. In what time can B alone do the work?	Choose the most appropriate option: A) 25 days B) 30 days C) 23 days D) 35 days E) 45 days
Work done by B in 1 day = 1/10 - 1/14   = (7-5)/70   = 1/35   So, B alone can do the work in 35 days.   ANSWER:35 days
<result>D</result>
A can do a work in 14 days and working together A and B can do the same work in 10 days. In what time can B alone do the work?