# Simple and Compound Interest

Simple and Compound Interest: Difference between simple and compound interest, Simple Interest Formula and Compound Interest Formula, Simple Interest Questions

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## Online Aptitude Questions with Answers on Simple and Compound Interest

Q71. **How much interest can a person get on Rs. 8200 at 17.5% p.a. simple interest for a period of two years and six months?**

1.  Rs. 3770
2.  Rs. 2850.50
3.  Rs. 3587.50
4.  Rs. 3750

Solution : Rs. 3587.50
Q72. **In how many years does a sum of Rs. 5000 yield a simple interest of Rs. 16500 at 15% p.a.?**

1.  22
2.  24
3.  25
4.  23

Solution : 22
Q73. **A certain sum becomes Rs. 20720 in four years and 24080 in six years at simple interest. Find sum and rate of interest?**

1.  Rs. 12000; 12% p.a.
2.  Rs. 14000; 12% p.a.
3.  Rs. 12000; 15% p.a.
4.  Rs. 14000; 15% p.a.

Solution : Rs. 14000; 12% p.a.
Q74. **A sum of money triples itself in twelve years at simple interest. Find the rate of interest?**

1.  12 1/2 % p.a.
2.  14 4/7 % p.a.
3.  15 2/3 % p.a.
4.  None of these

Solution : None of these

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Q75. **A certain sum is invested at simple interest at 18% p.a. for two years instead of investing at 12% p.a. for the same time period. Therefore the interest received is more by Rs. 840. Find the sum?**

1.  Rs. 7000
2.  Rs. 8500
3.  Rs. 8000
4.  Rs. 7500

Solution : Rs. 7000
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