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?

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 = hours/day


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