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- Question
How much time will take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest ?
Options- A. 4 years
- B. 2.5 years
- C. 3.5 years
- D. 2 years
- Correct Answer
- 4 years
ExplanationTime = (100 x 81) / (450 x 4.5) = 4 years.
- 1. A sum of Rs.1550 was lent partly at 8% p.a. simple interest. The total interest received after 3 years was Rs.300. The ratio of the money lent at 5% to that lent at 8% is :
Options- A. 5:8
- B. 6:7
- C. 16:15
- D. 17:18 Discuss
- 2. Find: S.l. on Rs 6250 at 14% per annum for 146 days.
Options- A. Rs.350
- B. Rs.450
- C. Rs.550
- D. Rs.650 Discuss
- 3. A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 614 p.a for 2 years. Find his gain in the transaction per year
Options- A. Rs. 112.50
- B. Rs.150.25
- C. Rs.167.50
- D. Rs.170 Discuss
- 4. Simple interest on a certain sum is 16/25 of the sum. Find the rate percent and time, If both are numerically equal.
Options- A. Rate = 7% and Time = 7 years.
- B. Rate = 8% and Time = 8 years.
- C. Rate = 6% and Time = 6 years.
- D. Rate = 5% and Time = 5 years. Discuss
- 5. A certain sum of money amounts to Rs 1008 in 2 years and to Rs 1164 in 3 ½ years. Find the sum and the rate of interest.
Options- A. 800, 14%
- B. 800, 13%
- C. 800, 12%
- D. 800, 19% Discuss
- 6. A sum of money triples itself in 8 years simple interest. Find the rate of percent per annum?
Options- A. 30%
- B. 25%
- C. 22%
- D. 18% Discuss
- 7. A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned?
Options- A. Rs.35
- B. Rs.245
- C. Rs.350
- D. cannot be determined Discuss
- 8. The difference between the simple interest received from two different sources on Rs.1500 for 3 years is Rs.13.50. The difference between their rates of interest is
Options- A. 0.1%
- B. 0.2%
- C. 0.3%
- D. 0.4% Discuss
- 9. A father left a will of Rs.35 lakhs between his two daughters aged 8.5 and 16 such that they may get equal amounts when each of them reach the age of 21 years. The original amount of Rs.35 lakhs has been instructed to be invested at 10% p.a. simple interest. How much did the elder daughter get at the time of the will?
Options- A. 17.5 lakhs
- B. 21 lakhs
- C. 15 lakhs
- D. 20 lakhs Discuss
- 10. A sum was put at simple interest at a certain rate for 3 years. Had it been put at 2% higher rate, it would have fetched Rs 360 more. Find the sum.
Options- A. Rs.4000
- B. Rs.9000
- C. Rs.5000
- D. Rs.6000 Discuss
Simple Interest problems
Search Results
Correct Answer: 16:15
Explanation:
let the sum lent at 5% be Rs.x and that lent at 8% be Rs.(1550-x). then,
Interest on x at 5% for 3 years + interest on (1550-x) at 8% for 3 years = 300
x=800
Required ratio = x : (1550-x) = 800 : (1550-800) = 800 : 750 = 16 : 15
Correct Answer: Rs.350
Explanation:
P = Rs. 6250, R = 14 % & T = (146/365) years = 2/5 years .
S.I=
Correct Answer: Rs. 112.50
Explanation:
= Rs. (625 - 400)
= Rs. 225
Correct Answer: Rate = 8% and Time = 8 years.
Explanation:
Let sum = X. Then S.I = 16x/25
Let rate = R% and Time = R years.
Therefore, (x * R * R)/100 = 16x/25 => R = 40/5 = 8
Therefore, Rate = 8% and Time = 8 years.
Correct Answer: 800, 13%
Explanation:
S.I. for 1 ½ years = Rs (1164 - 1008) = Rs 156 .
S.I. for 2 years = Rs (156 x x 2)= Rs 208.
Therefore, Principal = Rs (1008 - 208) = Rs 800.
Now, P = 800, T= 2 and S.I. = 208.
Therefore, Rate = (100 x S.I.) / (P x T) = [ (100 x 208)/(800 x 2)]% = 13%
Correct Answer: 25%
Correct Answer: cannot be determined
Explanation:
We need to know the S.I, principal and time to find the rate. Since the principal is not given, so data is inadequate.
Correct Answer: 0.3%
Explanation:
(1500 x R1 x 3)/100
=> 4500 (R1-R2) = 1350
=> (R1-R2)= 1350/4500 = 0.3 %
Correct Answer: 21 lakhs
Explanation:
Let Rs.x be the amount that the elder daughter got at the time of the will. Therefore, the younger daughter got (3,500,000 - x).
The elder daughter?s money earns interest for (21 - 16) = 5 years @ 10% p.a simple interest.
The younger daughter?s money earns interest for (21 - 8.5) = 12.5 years @ 10% p.a simple interest.
As the sum of money that each of the daughters get when they are 21 is the same,
=>
Correct Answer: Rs.6000
Explanation:
Let sum = P and original rate = R. Then
[(P * (R+2) * 3)/100] - [ (P * R * 3)/100] = 360
3P*(R+2) - 3PR = 36000
3PR + 6P - 3PR = 36000
6P = 36000
P = 6000
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