Question

Exercise 9F
Find the simple interest and amount when
(i) Principal = 600, Rate = 8% p.a., Time = 2 years
(ii) Principal = 750, Rate = 9% p.a., Time = 5 years
(iii) Principal = 850, Rate = 1.5% per month, Time = 1.3 years
(Hint: Rate 1.5% per month = (1.5 x 12)% p.a. = 18% p.a
(iv) Principal = 400, Rate = 10 paise per rupee per annum, Tir
[Hint: Rate = 10 paise per rupee per annum = (10 x 100) pa
10 per 100 rupee p.a. 10% p.a., Time = 6
(v) Principal = 300, Rate = 12% p.a., Time = 8 months.
Find the simple interest on 112.50 for 4 years at 1-% per annu​

Answer 1

Step-by-step explanation:

1. Simple interest: 96, Final amount: 696

2. Simple interest: 337.5, Final amount: 1087.5

3. Simple interest: 198.9, Final amount: 1048.9

4. Simple interest: 240, Final amount: 640

5. Simple interest: 288, Final amount: 588