IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 577 - 584 of 1040
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Question number: 577
Question
If, then the value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2 |
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| b. | 3 |
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| c. | 4 |
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| d. | 1 |
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Question number: 578
Question
When simplified, is equal to________
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: 579
Question
Number of prime factors in is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 4 |
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| b. | 9 |
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| c. | 6 |
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| d. | 8 |
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Question number: 580
» Direct and Inverse Proportions
Question
A man completes of a job in 12 days. At this rate how many more days will it take him to finish the job?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 23 |
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| b. | 27 |
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| c. | 24 |
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| d. | 26 |
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Question number: 581
» Direct and Inverse Proportions
Question
can do a piece of work in 20 days and can do alone it in 10 days. B works at it for 5 days and then leaves. alone can finish the remaining work in________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 10 days |
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| b. | 10.5 days |
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| c. | 5 days |
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| d. | 11 days |
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Question number: 582
» Direct and Inverse Proportions
Question
Two numbers are in the ratio 7: 9. If each number is increased by 18, the ratio becomes 9: 11. The numbers are________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 35,81 |
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| b. | 63,81 |
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| c. | 63,85 |
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| d. | 65,35 |
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Question number: 583
» Direct and Inverse Proportions
Question
A bag contains 50 paise, 25 paise and 10 paise coins in the ratio 1: 2: 3. If their total value is Rs. 26, the number of 50 paise coins is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 50 |
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| b. | 80 |
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| c. | 30 |
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| d. | 20 |
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Question number: 584
» Direct and Inverse Proportions
Question
If , then the value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 35 |
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| b. | 31 |
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| c. | 36 |
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| d. | 39 |
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