IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 194 - 202 of 1030
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Question number: 194
Question
Two cubes have volume in the ratio 1: 125. The ratio of the area of the face of one to that of the other is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
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| b. |
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| c. |
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| d. |
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Question number: 195
Question
The value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 14 |
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| b. | 10 |
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| c. | 15 |
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| d. | 12 |
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Question number: 196
Question
If, then the value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
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| b. | 30.20 |
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| c. | 24.70 |
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| d. | 25.00 |
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Question number: 197
Question
The smallest number by which 121 must be multiplied so that the product is a perfect cube is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 11 |
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| b. | 8 |
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| c. | 9 |
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| d. | 10 |
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Question number: 198
Question
The smallest number by which 361 must be multiplied so that the product is a perfect cube is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 15 |
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| b. | 10 |
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| c. | 19 |
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| d. | 11 |
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Question number: 199
Question
Three numbers are in the ratio of 5: 1: 3. The sum of their cubes is 9792. The numbers are________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 15: 30: 45 |
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| b. |
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| c. | 6: 12: 18 |
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| d. |
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Question number: 200
Question
The cube of an odd natural number is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Odd |
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| b. | Even |
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| c. | Even or odd |
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| d. | Can’t say |
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Question number: 201
Question
If then the value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 1 |
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| b. | 1.2 |
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| c. | 2 |
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| d. | 0.5 |
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Question number: 202
Question
The value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 151750 |
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| b. |
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| c. | 151000 |
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| d. | 151750 |
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