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?	Select the correct option:	A) 5 days	B) 21 days	C) 15 days	D) 25 days	E) 30 days
Explanation:   WC = 2:1   2x + x = 1/14 =&gt; x = 1/42   2x = 1/21   A can do the work in 21 days.   Answer: 21 days
<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?