A compositor takes 1 hour 45 minutes to compose 24 pages of a book. How long will he take to compose 64 pages?

If a man walks 16 km in 5 hours, how long would he take to walk 11.2 km?

30 workers can dig a trench in 5 days. How many workers will be required to dig it in 6 days?

In a fort, 360 men had provisions for 21 days. If 60 more men join them, how long will the provisions last?