IMO- Mathematics Olympiad Class 8: Questions 598 - 606 of 1029
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Question number: 598
Question
Number of prime factors in is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 13 |
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| b. | 11 |
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| c. | 12 |
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| d. | 14 |
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Question number: 599
Question
The solution of , is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 1 |
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| b. | 4 |
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| c. | 3 |
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| d. | 2 |
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Question number: 600
Question
If , then the value of a is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 4 |
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| b. | 1 |
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| c. | 0 |
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| d. | 2 |
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Question number: 601
» Direct and Inverse Proportions
Question
The ratio which bears to is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 1.04 |
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| b. | 2.63 |
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| c. | 2.00 |
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| d. | 1.00 |
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Question number: 602
» Direct and Inverse Proportions
Question
A can do a work in 7 days. If B is 75 % more efficient than A, then in how many days can B do the same work?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 3 |
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| b. | 4 |
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| c. | 5 |
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| d. | 3.5 |
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Question number: 603
Question
If and , then is equal to________.
Choices
| Choice (4) | Response | |
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Question number: 604
» Direct and Inverse Proportions
Question
0.5 of a number equals 0.15 of another number. The ratio of the number is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 3: 10 |
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| b. | 3: 2 |
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| c. | 10: 3 |
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| d. | 2: 3 |
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Question number: 605
Question
The solution of , is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2 |
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| b. | 1 |
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| c. | 3 |
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| d. | 4 |
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Question number: 606
Question
If and , then equals
Choices
| Choice (4) | Response | |
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