A can do a piece of work in 6 days and b can do the same work in 12 days. How will it take if both A and B do the work together...? Mcqs

A can do a piece of work in 6 days and b can do the same work in 12 days. How will it take if both A and B do the work together...?

(A) 4

(B) 6

(C) 8

(D) 10