If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the number of days taken by 15 men and 20 boys in doing the same type of work will be:If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the number of days taken by 15 men and 20 boys in doing the same type of work will be: