A is twice as good a workman as B and they took 11 days together to do the work B alone can do it in.  Choices:
A) 17 days B) 12 days C) 29 days D) 25 days E) 33 days
WC = 2:1   2x + x = 1/11   x = 1/33 =&gt; 33 days   ANSW33 daysR:33 days
<result>E</result>
A is twice as good a workman as B and they took 11 days together to do the work B alone can do it in.