A is twice as good a work man as B and together they finish the work in 4 days. In how many days A alone can finish the work? Choose the correct choice from the following answers.
A) 3 B) 2 C) 7 D) 9 E) 6
WC = 2:1   2x + x = 1/4 =&gt; x = 1/12   2x = 1/6   A can do the work in 6 days.   Answer: 6
<result>E</result>
A is twice as good a work man as B and together they finish the work in 4 days. In how many days A alone can finish the work?