# 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

Q31. **If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same at the same rate and for the same time?**

1.  Rs. 51.25
2.  Rs. 52
3.  Rs. 54.25
4.  Rs. 60

Solution : Rs. 51.25
Q32. **The difference between simple interest and compound on Rs. 1200 for one year at 10% per annum reckoned half-yearly is:**

1.  Rs. 2.50
2.  Rs. 3
3.  Rs. 3.75
4.  Rs. 4
5.  None of these

Solution : Rs. 3
Q33. **The difference between compound interest and simple interest on an amount of Rs. 15,000 for 2 years is Rs. 96. What is the rate of interest per annum?**

1.  8
2.  10
3.  12
4.  Cannot be determined
5.  None of these

Solution : 8
Q34. **The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. The simple interest on the same sum for double the time at half the rate percent per annum is:**

1.  Rs. 400
2.  Rs. 500
3.  Rs. 600
4.  Rs. 800

Solution : Rs. 500

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Q35. In the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. What is the rate of compound interest? I.The principal was invested for 4 years. II.The earned interest was Rs. 1491.

1.  I alone sufficient while II alone not sufficient to answer
2.  II alone sufficient while I alone not sufficient to answer
3.  Either I or II alone sufficient to answer
4.  Both I and II are not sufficient to answer
5.  Both I and II are necessary to answer

Solution : Both I and II are not sufficient to answer
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Solution :

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