Discussion
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- Question
- In how many years, a sum will become four times itself at the rate of 12% per annum?
Options- A. 28 yr
- B. 25 yr
- C. 22 yr
- D. 27 yr
- Correct Answer
- 25 yr
ExplanationLet the sum be ? P .
Then, SI = 4P - P = ? 3P
(P x 12 x T)/100 = 3P
? T = (3 x 100)/12 = 25 yr - 1. Rs. 4200 amounts to Rs. 5712 in 4 years. If rate of interest is increased by 3%. What will be the amount?
Options- A. Rs. 6372
- B. Rs. 4000
- C. Rs. 6216
- D. Rs. 3000 Discuss
- 2. Mr. Patel borrowed Rs. 8000 from Mr. Chobey at simple interest. After 2 years he paid Rs. 800 more than what be borrowed and thus cleared the loan. What was the rate of interest?
Options- A. 6
- B. 8
- C. 5
- D. None of these Discuss
- 3. If a sum of money double itself in 20 years. What is the rate of simple interest per cent per year?
Options- A. 4%
- B. 8%
- C. 5%
- D. 10% Discuss
- 4. Yogesh borrowed Rs. 12000 at simple interest for 5 years, If he paid Rs. 3600 as simple interest after 5 years, What is the rate of interest per cent per annum?
Options- A. 5
- B. 8
- C. 10
- D. 6 Discuss
- 5. Ashok took a loan of Rs. 15000 for 3 years at simple interest . If the total interest paid is Rs. 2700. What is the rate of interest per annum?
Options- A. 18
- B. 5.4
- C. 9
- D. 6 Discuss
- 6. At simple interest of 5%, 6% and 8% for three consecutive years, the interest earned is ? 760. find the principle.?
Options- A. ? 4600
- B. ? 3200
- C. ? 4000
- D. ? 3600 Discuss
- 7. What would be the simple interest accrued in 4 yr on a principle of ? 18440 at the rate 15% per annum?
Options- A. ? 11075
- B. ? 12250
- C. ? 11500
- D. ? 12985 Discuss
- 8. What will be the simple interest on ? 4000 at 12 1/ 2% per annum for the period from 4th February, 2005 to 18th April, 2005?
Options- A. ? 215
- B. ? 120
- C. ? 200
- D. ? 100 Discuss
- 9. Rakesh lent out ? 8750 at 7% annual interest, Find the simple interest in 3 yr.
Options- A. ? 1870
- B. ? 1837.50
- C. ? 1560
- D. ? 2200 Discuss
- 10. What will be simple interest for 1 yr and 4 months on a sum of ? 25800 at the rate of 14% per annum?
Options- A. ? 4816
- B. ? 2580
- C. ? 4816.75
- D. ? 4815 Discuss
Simple Interest problems
Search Results
Correct Answer: Rs. 6216
Explanation:
S.I = Principal x Rate x Time / 100
? Amount - Principal = Principal x Rate x Time / 100
? 5712 - 4200 = (4200 x Rate x 4) /100
? 1512 = 42 x 4 x Rate
Rate = 1512 / (42 x 4) = 9%
On increasing 3%, new rate of interest = 9 + 3 = 12%
Simple interest on new rate = (4200 x 12 x 4) / 100 =Rs. 2016
Amount = Principal + Interest = 4200 + 2016 = Rs. 6216
Correct Answer: 5
Explanation:
Rate = (Interest x 100) / (Principal x Time)
= (800 x 100) / (8000 x 2)
= 5%
Correct Answer: 5%
Explanation:
Let the principal = Rs. P
? Amount = Rs. 2P
? Interest = 2P - P = Rs.P
? Rate = (interest x 100) / (Principal x 20) = (P x 100) / (P x 20) = 5%
Correct Answer: 6
Explanation:
Rate = [(interest x 100) / (Principal x Time)] %
= (3600 x 100) / (12000 x 5)
= 6 %
Correct Answer: 6
Explanation:
? Rate = [(interest x 100) / (Principal x Time) ] %
? Rate = (2700 x 100) / (15000 x 3) %
? Rate = 6%
Correct Answer: ? 4000
Explanation:
Let the principle be ? P .
Then,
(P x 1 x 5)/100 + (P x 1 x 6)/100 + (P x 1 x 8)/100 = 760
? 5P/100 + 6P/100 + 8P/100 = 760
? 19P = 760 x 100
? P = (760 x 100)/19 = ? 4000
Hence, the principle is ? 4000.
Correct Answer:
Explanation:
Given, P = 18440, R = 15%, T = 4
? Simple interest (SI) = (P x R x T) / 100
= (4 x 18440 x 15) / 100
= ? 11064
Correct Answer: ? 100
Explanation:
Here, P = ? 4000, R = 121/2% = 25 / 2%
T = (24 + 31 + 18) days = 73 days
= 73/365 yr = 1/5 yr
? SI = (P x R x T)/100 = (4000 x 25/2 x 1/5 )/100
= ? 100
Correct Answer: ? 1837.50
Explanation:
Given, P = ? 8750., R = 7% T = 3 yr
According to the formula.
SI = (P x R x T)/100 = (8750 x 7 x 3)/100
= ? 1837.50
Correct Answer: ? 4816
Explanation:
Here, P = ? 25800, R = 14%
T = 1 yr 4 months = 1 + (4/12) years = 1 + (1/3) = 4/3 yr.
According to the formula,
SI = (P x R x T) / 100 = {25800 x 14 x (4/3)}/100
= (258 x 14 x 4)/3
= ? 4816
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