IMO- Mathematics Olympiad Class 8: Questions 133 - 141 of 1029
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Question number: 133
Question
Which of the following is not a perfect square?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 100489 |
|
| b. | 5329 |
|
| c. | 23457 |
|
| d. | 12544 |
|
Question number: 134
Question
If , then the value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2 |
|
| b. | 5 |
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| c. | 4 |
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| d. | 8 |
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Question number: 135
Question
If , then the value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 3 |
|
| b. | 7 |
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| c. | 4 |
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| d. | 5 |
|
Question number: 136
Question
A number is multiplied by half of itself and then 10 is added to the product. If the final result is 82, then find the original number.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 11 |
|
| b. | 14 |
|
| c. | 12 |
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| d. | 13 |
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Question number: 137
Question
The area of a square field is sq. m. The length of each side of the field is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2.30 |
|
| b. | 5.42 |
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| c. | 2.50 |
|
| d. | 1.92 |
|
Question number: 138
Question
The value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 0 |
|
| b. | 3 |
|
| c. |
|
|
| d. |
|
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Question number: 139
Question
The square root of correct to two decimal places is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2.86 |
|
| b. | 1.87 |
|
| c. | 2.88 |
|
| d. | 2.33 |
|
Question number: 140
Following Statement is true or false:
If p and q are perfect squares, then is always a rational number, is the statement true?
Question number: 141
Question
Square root of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 17 |
|
| b. | 11 |
|
| c. | 14 |
|
| d. | 15 |
|