A and B can finish a piece of work in 30 days, B and C in 40 days while C and A in 60 days. A, B, C together will finish the work in how many days?

Dear Student,

 

 

(A + B)'s one day's work = 1/30

(B + C)'s one day's work = 1/40

(C + A)'s one day's work = 1/60

 

Adding we get

 

2(A + B + C)'s one day's work =

 

 

(A + B + C)'s one day's work = 3/80

 

So together A, B and C can do the work in 80/3 days

 

 

Regards,

 

Team Topper Learning