A is twice as good a work man as B and together they finish the work in 14 days. In how many days A alone can finish the work?
Options:	A) 12	B) 21	C) 77	D) 99	E) 22
WC = 2:1   2x + x = 1/14 =&gt; x = 1/42   2x = 1/21   A can do the work in 21 days.   Answer:21
<result>B</result>
A is twice as good a work man as B and together they finish the work in 14 days. In how many days A alone can finish the work?