For the following questions answer them individually
If the mathematical operators $$-, +, \times$$ and $$\div$$ are represented by G, P, U and S respectively, then find the value of
48 S 8 P 7 U 2 G 21 .
12 men or 24 boys can do a work in 20 days. In how many days, will 24 men and 12 boys together complete the same work?
The number of boys in a bus at the starting point is twice the number of girls. On the way, when 15 boys got down and 10 girls entered the bus, the number of boys and girls became equal. How many boys were there at the start of the journey?
What will be the value of the expression if the signs '-' and '$$\div$$' are interchanged?
$$38-2+ 1 \times 6 \div 6$$
Y is a housewife and her husband is fill Inspector. Then sons J, a teacher and K, a banker are married to a nurse and teacher respectively. J's son P, an Inspector is married and has 2 sons. K's daughter Q, a software engineer is married and has two sons. All of them live in a joint family.
For the following questions answer them individually