21.A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?
A. 3%
B. 4%
C. 5%
D. 6%
E. None of these
22.A sum of money at simple interest amounts to Rs.815 in 3 years and to Rs. 854 in 4 years. The sum is
A. Rs. 650 B. Rs. 690
C. Rs. 698 D. Rs. 700
23. | An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes:
|
| 10% | | 10.25% | | 10.5% | | None of these | |
24.A man borrowed Rs.8000 at the rate of 12% SI, and lent the same sum to another person at the rate of 15% what will be the gain after 7 year?
A. Rs. 1680
B. Rs. 1600
C. Rs. 1480
D. Rs. 1500
25.How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
A. 3.5 years B. 4 years
C. 4.5 years D. 5 years
26.A sum of Rs. 800 amounts to Rs. 920 in 8 years at simple interest rate is increased by 8%, it would amount to how much?
A. 222
B. 892
C. 992
D. 1024
27. | A lent Rs. 5000 to B for 2 years and Rs. 3000 to C for 4 years on simple interest at the same rate of interest and received Rs. 2200 in all from both of them as interest. The rate of interest per annum is: |
|
28.How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
A. 3.5 years
B. 4 years
C. 4.5 years
29.A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned?
A. Rs. 35 B. Rs. 245
C. Rs. 350 D. cannot be determined
30.Adam borrowed some money at the rate of 6% p.a. for the first two years, at the rate of 9% p.a. for the next three years , and at the rate of 14% p.a. for the period beyond five years.If he pays a total interest of Rs. 11, 400 at the end of nine years how much money did he borrow?
A. 10000
B. 15000
C. 12000
D. 20000