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?\nOptions:\n(A) 22\n(B) 66\n(C) 28\n(D) 41\n(E) 61.
Another student: Let's say, hmmm...

User
(1 man + 1 woman)'s 1 day work = (1/3 + 1/4) = 7/12 Work done by 1 man and 1 woman in 1/4 day = (7/12 * 1/4) = 7/48\nRemaining work = (1 - 7/48) = 41/48\nWork done by 1 boy in 1/4 day = ( 1/12 * 1/4) = 1/48\nNumber of boys required = 41/48 * 41 = 41. Final answer: (D).
Assistant