X and Y together do a piece of work in 8 days. If X alone can do the same work in 12 days, then Y alone can do the same work in? Choose the correct answer: A) 15 days B) 20 days C) 24 days D) 30 days E) 23 days
B = 1/8-1/2 = 1/24   ==&gt;24 days   ANSWER 24 days
<result>C</result>
X and Y together do a piece of work in 8 days. If X alone can do the same work in 12 days, then Y alone can do the same work in?