IMO- Mathematics Olympiad Class 8: Questions 128 - 136 of 1029
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Question number: 128
Question
The value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 0 |
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| b. |
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| c. |
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| d. |
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Question number: 129
Question
If , then equals________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 3 |
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| b. | 1 |
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| c. | 4 |
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| d. | 2 |
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Question number: 130
Question
The value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2 |
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| b. |
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| c. |
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| d. | Both b. and c. are correct |
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Question number: 131
Question
The least two digit number, which is a perfect square is ________
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 4 |
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| b. | 16 |
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| c. | 12 |
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| d. | 9 |
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Question number: 132
Question
Find the smallest square number which is exactly divisible by 8, 12, 15, and 20 is, ________
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 3600 |
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| b. | 2500 |
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| c. | 900 |
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| d. | 180 |
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Question number: 133
Question
Which of the following is not a perfect square?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 100489 |
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| b. | 5329 |
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| c. | 23457 |
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| d. | 12544 |
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Question number: 134
Question
If , then the value of is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2 |
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| 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 |
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| b. | 7 |
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| c. | 4 |
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| d. | 5 |
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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 |
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| b. | 14 |
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| c. | 12 |
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| d. | 13 |
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