IMO- Mathematics Olympiad Class 8: Questions 511 - 517 of 1029
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Question number: 511
» Direct and Inverse Proportions
Question
If and, then the value of is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 15 |
|
| b. | 65 |
|
| c. | 85 |
|
| d. | 75 |
|
Question number: 512
Question
The value of is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 8044 |
|
| b. | 2044 |
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| c. | 4450 |
|
| d. | 1024 |
|
Question number: 513
Question
The value of
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 15 |
|
| b. | 11 |
|
| c. | 17 |
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| d. | 16 |
|
Question number: 514
» Direct and Inverse Proportions
Question
Two numbers are in the ratio 5: 7. If each number is increased by 14, the ratio becomes 7: 9. The numbers are________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 35, 47 |
|
| b. | 25, 35 |
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| c. | 35, 25 |
|
| d. | 35, 49 |
|
Question number: 515
Question
Number of prime factors in is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 65 |
|
| b. | 73 |
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| c. | 70 |
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| d. | 72 |
|
Question number: 516
Question
Match the following provided that a and b are any rational numbers different from zero andx, y are any rational numbers.| List-Ⅰ (Uses Of Exponent Rules) | List-Ⅱ (Term With Different Base And Same Exponent) |
|---|---|
| (A)
| (i)
|
| (B)
| (ii)
|
| (C)
| (iii)
|
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: 517
Question
The value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 1 |
|
| b. |
|
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| c. | 9 |
|
| d. | 7 |
|