Alia can complete an assignemnt in 5 days and Babar can complete the same assignment is 20 days. The time taken by both Alia and Babar to complete the assignment working together is:...? Mcqs

Alia can complete an assignemnt in 5 days and Babar can complete the same assignment is 20 days. The time taken by both Alia and Babar to complete the assignment working together is:...?

(A) 3 days

(B) 5 days

(C) 4 days

(D) 2 days