The task is to generate the correct answer for a given math problem.
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Question: Problem: a man , a woman and a boy can together complete a piece of work in 3 days . if a woman alone can do it in 6 days and a boy alone in 18 days , how long will a man take to complete the work ?

Answer: 9 days


Question: Problem: how many prime numbers are between 51 / 13 and 89 / 9 ?

Answer: 2


Question: Problem: w and x start a business with rs . 5000 and rs . 20000 respectively . hoe should they share their profits at the end of one year ?

Answer:
1 : 4