IMO- Mathematics Olympiad Class 8: Questions 539 - 546 of 1029
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Question number: 539
Question
The value of
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 7 |
|
| b. | 1 |
|
| c. | 5 |
|
| d. | 6 |
|
Question number: 540
Question
The value of is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 100 |
|
| b. | 200 |
|
| c. | 800 |
|
| d. | 400 |
|
Question number: 541
» Direct and Inverse Proportions
Question
The ratio which bears to is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 1.50 |
|
| b. | 1.65 |
|
| c. | 1.68 |
|
| d. | 1.78 |
|
Question number: 542
» Direct and Inverse Proportions
Question
If and, then the value of is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 10 |
|
| b. | 6 |
|
| c. | 8 |
|
| d. | 9 |
|
Question number: 543
» Direct and Inverse Proportions
Question
A sum of money is sufficient to pay wages for 25 days and wages for 25 days. The same money is sufficient to pay the wages of both for ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 11 days |
|
| b. | days |
|
| c. | 10 days |
|
| d. | 12 days |
|
Question number: 544
» Direct and Inverse Proportions
Question
A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 1: 4: 5. If their total value is Rs. 90, the number of 10 paise coins is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 400 |
|
| b. | 500 |
|
| c. | 800 |
|
| d. | 600 |
|
Question number: 545
» Direct and Inverse Proportions
Question
If A: B = 1: 4 and B: C = 3: 5, then C: A is equal to, ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 24: 15 |
|
| b. | 25: 14 |
|
| c. | 3: 20 |
|
| d. | 20: 3 |
|
Question number: 546
Question
The solution of , is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | -2 |
|
| b. | 4 |
|
| c. | 3 |
|
| d. | -1 |
|