Simple Interest Exercise Problems and Answers

1. At the rate of 6% p.a. simple interest, a sum of Rs. 2500 will earn how much interest by the end of 5 years 7.
A. Rs. 150
B. Rs. 750
C. Rs. 700
D. Rs. 3250
Explanation:  

2. A sum of Rs. 800 amounts to Rs. 920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to how much?
A.764 
B.992 
C.850 
D.770 
Explanation:

3. 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.650 
B.690 
C.698 
D.700 
Explanation: 

4. The price of a T.V set worth Rs. 20,000 is to be paid in 20 installments of Rs. 1000 each. If the rate of interest be 6% per annum, and the first installment be paid at the time of purchase, then the value of the last installment covering the interest as well will be:
A.1050 
B.2050 
C.3000 
D.5000 
E.None of these
Explanation:

5. A sum of money is lent at S.I for 8 years. If the same amount is paid at 5% higher, Ramesh would have got Rs. 100 more. Find the Principal?
A.200 
B.240 
C.250 
D.300 
Explanation: 

6. If simple interest on a certain sum of money for 4 years at 5% per annum is same as the simple interest on Rs. 560 for 10 years at the rate of 4% per annum then the sum of money is:
A.1190 
B.1120 
C.1210 
D.1280
Explanation: 

7. A sum fetched a otal simple interest of Rs. 4016.25 at the rate of 9 p.c.p.a. in 5 years. What is the sum?
A. 8925
B. 8259
C. 8529
D. 8952
Ans: A
Explanation: 

8. 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. 500
B. 698
C. 780
D. 910
Explanation: 

9. How long will it take a sum of money invested at 5% p.a. S.I. to increase its value by 40%?
A. 6 years
B. 7 years
C. 8 years
D. 9 years
Explanation: 

10. A sum of money lent out at simple interest amounts to Rs. 720 after 2 years and to Rs. 1020 after a further period of 5 years. The sum is
A.  Rs. 500  
B.  Rs. 600
C.  Rs. 700
D.  Rs. 710
Explanation: 

11. 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
Explanation: 

12. 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%
Explanation:

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