Question

Working 8 hours a day,Anu can copy a book in 18 days. How many hours a day should she work so as to finish the work in 12 days?

Answer 1

8 hours x 18 days = 144 pages
144 pages / 12 days = 12 hours
Therefore , the answer is 12 hours

Answer 2

no of working hrs per day =8
no of days =18
total working hrs=8×18 =144hrs

given time=12hrs
so no of working hrs per day is=144÷12=12hrs

therefore anu should work for 12 hrs a day in order to complete the work in 12 days