Number System [IMO Level 1- Mathematics Olympiad (SOF) Class 7]: Questions 1 - 10 of 82
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Question number: 1
» Number System
Question
The average of the two middle rational numbers if are arranged in descending order is________.
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: 2
» Number System
Question
Which integer is the additive inverse of 5?
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
| |
b. | 5 | |
c. | 1 | |
d. | 0 | |
Question number: 3
» Number System
Question
Which integer is the additive inverse of 1?
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
| |
b. | 3 | |
c. | 0 | |
d. | 1 | |
Question number: 4
» Number System
Question
Which pair of numbers does not have a product equal to 36?
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: 5
» Number System
Question
Which of the following number is prime?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 179 | |
b. | 187 | |
c. | 119 | |
d. | 247 | |
Question number: 6
» Number System
Question
The value of is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 240 | |
b. | 0 | |
c. | 120 | |
d. |
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Question number: 7
» Number System
Question
The value of , where is absolute value of an integer is________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 1 | |
b. | 0 | |
c. | 2 | |
d. | 3 | |
Question number: 8
» Number System
Question
The value of , where is absolute value of an integer is________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 1 | |
b. | 0 | |
c. | 3 | |
d. | 2 | |
Question number: 9
» Number System
Question
Which of the following is an irrational number?
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
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b. |
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c. | 1.50 | |
d. | 2 | |
Question number: 10
» Number System
Question
In a magic square each row, column and diagonal have the same sum, then the values of A and B are respectively________.
3 | -4 | 1 |
-2 | A | 2 |
-1 | B | -3 |
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
| |
b. | 4,0 | |
c. | 1,1 | |
d. |
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