Question: If A can do a work in 16 days and B can do it in 24 days, how long will they take to complete the work together?
Options:
Correct Answer: 12 days
Solution:
A\'s rate = 1/16, B\'s rate = 1/24. Combined rate = 1/16 + 1/24 = 1/9. They will finish the work in 9 days.