The task is to generate the correct answer for a given math problem.
--------
Question: Problem: 10 men and 15 women together can complete a work in 8 days . it takes 100 days for one man alone to complete the same work . how many days will be required for one woman alone to complete the same work ?

Answer: 600 day


Question: Problem: the smallest value of n , for which n + 2 is not a prime number , is

Answer: 2,4


Question: Problem: a man rows his boat 110 km downstream and 90 km upstream , taking 3 hours each time . find the speed of the stream ?

Answer:
3.5