Question: A man can complete a work in 10 days, and another man can complete the same work in 15 days. How long will they take to complete the work together?
Options:
Correct Answer: 8 days
Solution:
Work done by first man in a day = 1/10, second man = 1/15. Together, they do (1/10 + 1/15) = 1/6. Therefore, they will complete the work in 6 days.
