class 8 math lesson 1 (munafa)
TRANSCRIPT
- 1. 1
- 2.
- 3.
- 4.
- 5. , (Simple Profit)
- 6. = P (principal) = r (rateof interest) = n (time) = I (profit) - = A (Totalamount)
- 7. (i) I = Pnr (ii) A = P + I (iii) A = P + Pnr (iv) A = P ( 1 + nr ) = - = + - = + - = +
- 8. 1 : I = Pnr 2 - - : A=P+I : C=P(1+r)n 4 : P(1+r)n-P
- 9. :- . % , ? 5
- 10. , ?
- 11. ? - .%
- 12. , ? %
- 13.