19 men and 22 women working 6 hours per day can complete 47 of a work in 21 days. The remaining work is completed by 25 men and 38 women working 9 hours per day in 7 days. Find the number of days required for 14 men and 10 women to complete the entire work by working 7 hours per day.

If 18 men working 7 hours a day can prepare 14 school uniforms in 20 days, then in how many days can 12 men working 6 hours a day prepare 18 school uniforms?

Raju alone can complete a work in 36 days, and Raj alone can complete the same work in half the time taken by Raju. How many days will they take together to complete 14 of the total work?