IMO- Mathematics Olympiad (SOF) Class 8: Questions 343 - 348 of 1029
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Question number: 343
Question
There is 20 % increase in an amount in 2 years at simple interest. What will be the compound interest of Rs. 5,000 after 2 years at the same rate?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2100 Rs. |
|
| b. | 1050 Rs. |
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| c. | 1000 Rs. |
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| d. | 2000 Rs. |
|
Question number: 344
Question
Simple interest on a certain amount is of the principal. If the numbers representing the rate of interest in percent and time in years be equal, then time, for which the principal is lent out, is________
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 5 years |
|
| b. | 6 years |
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| c. | 9 years |
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| d. | 8 years |
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Question number: 345
Question
Simple interest on a certain amount is of the principal. If the numbers representing the rate of interest in percent and time in years be equal, then time, for which the principal is lent out, is________
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 6 years |
|
| b. | 5.5 years |
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| c. | 9 years |
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| d. | 6.66 years |
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Question number: 346
Question
What is 40 % of 50%?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 0.02 |
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| b. | 0.2 |
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| c. | 2.0 |
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| d. | 2.5 |
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Question number: 347
» Quadrilaterals and Practical Geometry
Question
The given quadrilateral ABCD is________.
ABCD Quadrilateral is Given
Find out which kind of trapezoid ABCD is! !
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | A concave quadrilateral |
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| b. | A parallelogram |
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| c. | A trapezium |
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| d. | A convex quadrilateral |
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Question number: 348
Question
Reena bought a car for a certain sum of money. He spent 5 % of the cost on repairs and sold the car for a profit of Rs. 10,000. How much did he spend on repairs, if he made a profit of 10%?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2250.92 Rs. |
|
| b. | 5000 Rs. |
|
| c. | 2380.95 Rs. |
|
| d. | 3000 Rs. |
|