 
<translate> Nwa akwụkwọ: Nwoke, nwanyị na nwata nwoke nwere ike ịrụcha ọrụ n'ime ụbọchị atọ, anọ na iri na abụọ. Ụmụ nwoke ole ga-enyere otu nwoke na otu nwaanyị aka ịrụcha ọrụ ahụ n'ime otu ụzọ n'ụzọ anọ nke ụbọchị? Nhọrọ: (A) 41 (B) 43 (C) 31 (D) 84 (E) 81. Nwa akwụkwọ ọzọ: Ka anyị kwuo, hmmm... <eng> Student: A man, a woman and a boy can complete a job in 3, 4 and 12 days respectively. How many boys must assist 1 man and 1 woman to complete the job in 1/4 of a day?
Options:
(A) 41
(B) 43
(C) 31
(D) 84
(E) 81.
Another student: Let's say, hmmm...
 