What will be the ratio of simple interest earned by certain amount at the same r

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Question
What will be the ratio of simple interest earned by certain amount at the same rate of interestfor 4 years and 6 years ?
Options
A. 1:2
B. 2:1
C. 2:3
D. 3:2

Correct Answer

2:3

Explanation

Let p be the principle amount

And R% be the rate of interest

Then, required ratio = $(\frac{\frac{P � 4 � R}{100}}{\frac{P � 6 � R}{100}})$

$? \frac{4 P R}{6 P R}$ = 2:3

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2. A loan shark made a loan of $100 to be repaid with $120 at the end of one month. What was the annual interest rate?
Options
A. 210%
B. 220%
C. 230%
D. 240%

3. A loan of $15 000 is taken out. If the interest rate on the loan is 7%, how much interest is due and what is the amount repaid if the loan is due in seven months
Options
A. 15612.50
B. 14612.50
C. 13612.50
D. 17612.50

4. When $720 is invested for 36 months it earns $205.20 simple interest. Find the yearly interest rate.
Options
A. 7.5%
B. 8.5%
C. 9.5%
D. 10.5%

5. Jan invested $210 with a building society in a fixed deposit account that paid 8% p.a. simple interest for 18 months. How much did she receive after the 18 months?
Options
A. 434
B. 345
C. 235.20
D. 233.20

6. If rupee two produces rupees eleven over a period of 30 years, find the rate of simple interest ?
Options
A. 17.25 %
B. 18.14 %
C. 18.33 %
D. 17.35 %

7. A certain sum is invested at simple interest at 18% p.a. for two years instead of investing at 12% p.a. for the same time period. Therefore the interest received is more by Rs. 840. Find the sum ?
Options
A. Rs. 5858
B. Rs. 8800
C. Rs. 7000
D. Rs. 6350

8. An automobile financier claims to be lending money at S.I., but he includes the interest every six months for calculating the principal. If he is charging an interest of 8%, the effective rate of interest becomes ?
Options
A. 10.25 %
B. 8.16 %
C. 9.63 %
D. 0.16 %

9. A sum of money at simple interest amounts to Rs. 415 in 2 years and to Rs. 514 in 4 years. The sum is ?
Options
A. Rs. 316
B. Rs. 251
C. Rs. 154
D. Rs. 294

10. Avinash gave a sum of 5400 at the simple rate of interest of 8% to Rajeev for 4 years and Rajeev gave this amount to Chanukya at the rate of 6% for 4 years. Find how much extra amount has to be paid by Rajeev to Avinash after 4 years?
Options
A. Rs. 364
B. Rs. 432
C. Rs. 498
D. Rs. 554

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