1. 1.
2. 2.
3. 3.
4. 4. :
5. 5. , ?
6. 6. - ,
7. 7. , , = =
8. 8. , (Simple Profit)
9. 9. = P (principal) = r (rate ofinterest) = n (time) = I (profit) - = A (Total amount)
10. 10. (i) I = Pnr (ii) A = P + I (iii) A = P + Pnr (iv) A = P ( 1 + nr ) = - = + - = + - = +
11. 11. ? -
12. 12. (i) I = Pnr (ii) A = P + I (iii) A = P + Pnr (iv) A = P ( 1 + nr ) = - = + - = + - = +
13. 13.