The task is to generate the correct answer for a given math problem.
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Question: Problem: a , b , c , d , e , f , g , h sitting in a row what is the probability that a , b , c sitting together ?

Answer: 3 / 28


Question: Problem: two trains running in opposite directions cross a man standing on the platform in 37 seconds and 27 seconds respectively and they cross each other in 29 seconds . the ratio of their speeds is :

Answer: 1 : 


Question: Problem: a can do a piece of work in 10 days and b can do it in 15 days and c can do it 20 days . they started the work together and a leaves after 5 days and b leaves after 3 days from the beginning . how long will work lost ?

Answer:
6