Working 8 hours a day, Ashu can copy a book in 18 days. How many hours

1.	Working 8 hours a day, Ashu can copy a book in 18 days. How many hours a day should he work so as to finish the work in 12 days?
Answer» ∵Working 8 hours a day Ashu can complete a work in = 18 days ∴ Working 1 hours a day he can complete it in = 18 × 8 = 144 days ∴ Number of hours he should work to complete the work in 12 days \(=\frac{144}{12}\)=12 hours/day

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

Answer»

∵Working 8 hours a day Ashu can complete a work in = 18 days

∴ Working 1 hours a day he can complete it in = 18 × 8 = 144 days

∴ Number of hours he should work to complete the work in 12 days \(=\frac{144}{12}\)=12 hours/day