If 12 carpenters, working 6 hours a day, can make 460 chairs in 24 days, how many chairs will 18 carpenters make in 36days, each working 8 hours a day?

If 12 carpenters, working 6 hours a day, can make 460 chairs in 24 days, how many chairs will 18 carpenters make in 36days, each working 8 hours a day?

A 1260

B 1320

C 920

D 1380

Solution

Correct Answer: Option D