Asghar can do a job in 60 days. And both Asghar and Babar can do the same job in 20 days working together. Babar alonge can do the same job in:...? Mcqs

Asghar can do a job in 60 days. And both Asghar and Babar can do the same job in 20 days working together. Babar alonge can do the same job in:...?

(A) 30 days

(B) 60 days

(C) 28 days

(D) 45 days