 
 <translate> (A+B)'s 1 day work = 1/4
A's 1 day work = 1/12
B's 1 day work = 1/6 So the answer is (A). <hau> (A+B) aikin kwana 1 = 1/4 A's 1 aiki rana = 1/12 B na aikin kwana daya = 1/6 amsar ita ce (A). 