The task is to generate the correct answer for a given math problem.
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Question: Problem: a is twice as good a workman as b and they took 6 days together to do the work b alone can do it in .

Answer: 18 days


Question: Problem: in a class of 32 students , 2 students did not borrow any books from the library , 12 students each borrowed 1 book , 10 students each borrowed 2 books , and the rest borrowed at least 3 books . if the average number of books per student was 2 , what is the maximum number of books any single student could have borrowed ?

Answer: 11


Question: Problem: the average weight of a , b and c is 43 kg . if the average weight of a and b be 48 kg and that of b and c be 42 kg , then the weight of b is :

Answer:
51 k