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Concepts
- Practice Questions
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Important Formulas
- A man borrowed some money from a private organization at 5% simple interest per annum. From this amount, he gave 50% to another person at 10% compound interest per annum, and thereby the man made a profit of Rs. 3,205 in 4 years. The man borrowed.
- ₹ 1,00,000
- ₹ 1,50,000
- ₹ 80,000
- ₹ 1,20,000
Answer is a
2. The difference between simple and compound interest (compounded annually) on a sum of money for 2years at 10% per annum is ₹65. The sum is
- ₹ 65,065
- ₹ 6500
- ₹ 65, 650
- ₹ 6565
Answer is b
3. A sum of ₹6000 is deposited for 3 years at 5% per annum compound interest (compound annually). Then the difference of interests for 3 and 2 years is
- ₹ 30.75
- ₹ 375.00
- ₹ 75.00
- ₹ 330.75
Answer is d
4. If, the difference between compound interest and simple interest for 3 years on a certain sum at 5% per annum is Rs.122. Then, the sum is
- ₹ 15, 000
- ₹ 10, 000
- ₹ 16, 000
- ₹ 12, 000
Answer is c
5. The difference of compound interest and simple interest for 3 years and for 2years are in ratio 23: 7 respectively. What is rate of interest per annum (in%)
- 100/7
- 400/7
- 200/7
- 300/7
Answer is c
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