A man invested an amount at the rate of 10% p.a. on compound interest and after

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A man invested an amount at the rate of 10% p.a. on compound interest and after two years he again invested half of the initial amount. If man got Rs. 457.2 Rs. as interest after three years, find the amount received by man after three years, if he invested same amount on simple interest at rate of 15% p.a.?
Options
A. 1740 Rs.
B. 1760 Rs.
C. 1720 Rs.
D. 1780 Rs.

Correct Answer

1740 Rs.

Explanation

Let man invested Rs. A And, after two years amount invested = (A +

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Simple Interest problems

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1. Ronika deposited Rs.7000 which amounted to Rs.9200 after 3 years at simple interest. Had the interest been 2% more. She would get how much ?
Options
A. 9850
B. 9500
C. 9620
D. 9760

2. The interest on a certain deposit at 4.5% p.a. is Rs. 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a. ?
Options
A. Rs. 22.5
B. Rs. 2.5
C. Rs. 202
D. Rs. 25

3. A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest
Options
A. 3%
B. 4%
C. 5%
D. 6%

4. Gopal borrowed some money at 12% simple interest. If he had to pay back Rs. 1280 after 5 years, in order to clear off the loan. How much did he borrow?
Options
A. Rs. 800
B. Rs. 620
C. Rs. 560
D. Rs. 480

5. The total simple interest earned on a sum of money increases by Rs. 600 when the rate of interest increases by 2% per annum. If the investment was made for 5 years, find the sum of money that was invested ?
Options
A. Rs. 6000
B. Rs. 5550
C. Rs. 7500
D. Rs. 6580

6. An automobile financier claims to be lending money at simple interest, but he includesthe interest every six months for calculating the principal. If he is charging an interest of10%, the effective rate of interest becomes:
Options
A. 10%
B. 10.25%
C. 10.5%
D. none of these

7. What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?
Options
A. 1:3
B. 1:4
C. 2:3
D. data is inadequate

8. Rs.1500 is divided into two parts such that if one part is invested at 6% and the other at 5% the whole annual interest from both the sum is Rs.85. How much was lent at 5% ?
Options
A. Rs. 500
B. Rs. 245
C. Rs. 1250
D. Rs. 635

9. A sum of money becomes 7/6 of itself in 3 years at a certain rate of simple interest. The rate per annum is ?
Options
A. 45/7 %
B. 50/9 %
C. 51/7 %
D. 47/ 9 %

10. Manu invested an amount of Rs. 14800 at the rate of 7% per annum. After how many years will she obtain a simple interest of Rs.15800?
Options
A. 16.75 yrs
B. 15.25 yrs
C. 14 yrs
D. 13.5 yrs

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