Question

A alone can complete the work in 36 days. B’s efficiency is double that of A, and C’s efficiency is half of B’s efficiency. A and B start the work together, and after 6 days, C joins them. At that point, all three reduce their efficiency to 50% of their original efficiency. How many total days will it take to complete the work?

A 15 days
B 17 days
C 18 days
D 20 days
E 22 days
Practice Next

More Quantity Inequality Questions

Hey! Ask a query