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- Question
A certain principal is invested in a scheme of compound interest. The amount obtained after 1 year is Rs 2400 and the amount obtained after 2 years is Rs 2880. What is the rate of interest (in percentage)?
Options- A. 20
- B. 15
- C. 25
- D. 10
- Correct Answer
- 20
- 1. For an amount, simple interest at the rate of interest of 12% per annum for 6 years is Rs 25920. What will be the compound interest (in Rs) on same amount at the rate of interest of 8% per annum compounding annually for 2 years?
Options- A. 4326.3
- B. 5563.4
- C. 5888.6
- D. 5990.4 Discuss
- 2. A sum of Rs 400 becomes Rs 448 at simple interest in 2 years. In how many years will the sum of Rs 550 amounts to Rs 682 at the same rate?
Options- A. 2
- B. 3
- C. 3.5
- D. 4 Discuss
- 3. A person lent Rs 10000 to B for 3 years and Rs 6000 to C for 4 years on simple interest at same rate of interest and received Rs 5400 in all from both of them as interest. What is the rate of interest (in %)?
Options- A. 10
- B. 12
- C. 20
- D. 25 Discuss
- 4. The difference of compound interest and simple interest for 3 years and for 2 years are in ratio 23 : 7 respectively. What is rate of interest per annum (in %)?
Options- A. 200/7
- B. 100/7
- C. 300/7
- D. 400/7 Discuss
- 5. The Simple Interest(SI) for 16 years on an amount at particular rate is Rs 10000. If the principal is doubled at an interval of every 4 years and the rate is tripled at every such in terval, find the new Simple Interest(SI)
Options- A. 632100
- B. 689620
- C. 602260
- D. 647500 Discuss
- 6. If a certain sum of money doubles itself in 7 years 8 months at simple interest, then what will be the yearly rate of interest (in %)?
Options- A. 18 3/4
- B. 13 1/23
- C. 26 2/23
- D. 30 Discuss
- 7. The difference between compound interest and simple interest on a sum for 2 year at 20% per annum is Rs 200. If the interest is compounded half yearly, then what is the difference (in Rs) between compound and simple interest for 1st year?
Options- A. 50
- B. 75
- C. 100
- D. 150 Discuss
- 8. If a certain sum of money become thrice of itself in 5 years 4 months at simple interest, then what will be the yearly rate of interest (in %)?
Options- A. 18.75
- B. 27.5
- C. 37.5
- D. 42.25 Discuss
- 9. A sum amounts to Rs 7727.104 at the rate of 12% per annum compounded annually after three years. What is the value of principal (in Rs)?
Options- A. 5000
- B. 5200
- C. 5350
- D. 5500 Discuss
- 10. Rohan borrowed a certain sum of money at simple interest. Rate of interest was 3% per annum for first 3 years, 4% per annum for next 5 years and 6% per annum for next 7 years. If he paid Rs 2059 as interest, then what is the sum borrowed (in Rs)?
Options- A. 2400
- B. 2500
- C. 2900
- D. 3100 Discuss
Simple Interest problems
Search Results
Correct Answer: 5990.4
Correct Answer: 4
Correct Answer: 10
Correct Answer: 200/7
Correct Answer: 647500
Explanation:
Let New SI be X
10000/16 = X/4(1*1+2*3+4*9+8*27)
10000/16=X/4(1+6+36+216)
X=647500
Correct Answer: 13 1/23
Correct Answer: 50
Correct Answer: 37.5
Correct Answer: 5500
Correct Answer: 2900
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