9. āĻāĻ āĻ§ā§āĻ¯āĻžāĻ¸ā§ āĻāĻŽāĻ°āĻž āĻŖāĻ¨āĻ¸āĻāĻ° āĻŦā§āĻŋāĻāĻŖāĻŋāĻ¤ā§ā§āĻĒā§āĻ°āĻŖāĻ¤ā§āĻā§āĻ¸āĻ˛āĻžāĻŦāĻ¯āĻžāĻŦāĻšāĻžāĻ° ā§āĻ°āĻŦāĨ¤
ī§ ā§āĻ˛āĻ§āĻ¨ āĻŋā§ āĻāĻ¸āĻ˛ = P (principal)
ī§ ā§āĻ¨ā§āĻŋā§āĻ° āĻšā§āĻ° = r (rateof interest)
ī§āĻ¸ ā§ = n (time)
ī§ ā§āĻ¨ā§āĻŋā§ = I (profit)
ī§āĻ¸āĻŋā§āĻĢāĻŋ ā§āĻ˛āĻ§āĻ¨āĻŋā§ ā§āĻ¨ā§āĻŋā§-āĻāĻ¸āĻ˛ = A (Totalamount)
10. āĻĒā§āĻ°āĻ¸ā§āĻžāĻŋāĻ¨ā§ā§ā§ā§āĻ¤ā§āĻ°āĻžāĻ
(i) I = Pnr
(ii) A = P + I
(iii) A = P + Pnr
(iv) A = P ( 1 + nr )
āĻŽā§āĻ¨āĻžāĻĢāĻž = āĻā§āĻ˛ÃāĻŽā§āĻ¨āĻžāĻĢāĻžāĻ° āĻšāĻžāĻ°Ãā§āĻŽā§
āĻŽā§āĻ¨āĻžāĻĢāĻž-āĻā§āĻ˛ = āĻā§āĻ˛ +āĻŽā§āĻ¨āĻžāĻĢāĻž
āĻŽā§āĻ¨āĻžāĻĢāĻž-āĻā§āĻ˛ = āĻā§āĻ˛ + āĻŽā§āĻ¨āĻžāĻĢāĻž
āĻŽā§āĻ¨āĻžāĻĢāĻž-āĻā§āĻ˛ = āĻā§āĻ˛+ āĻŽā§āĻ¨āĻžāĻĢāĻž