IMO- Mathematics Olympiad Class 8: Questions 769 - 776 of 1029
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Question number: 769
Question
A cube has 6 Faces, 8 Vertices then the number of edges (using Euler’s formula) is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 11 |
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| b. | 31 |
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| c. | 12 |
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| d. | 14 |
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Question number: 770
Question
An unbiased die is tossed. Find the probability of getting a multiple of 2.
Choices
| Choice (4) | Response | |
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| b. |
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| c. |
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Question number: 771
Question
If is divided by 6 leaves a remainder of 3, then one’s digit of must be________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Either 1 or 2 |
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| b. | Either 9 or 2 |
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| c. | Either 3 or 9 |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 772
Question
If divided by 4 leaves a remainder of 1, and divided by 5 leaves a remainder of 4, then the one’s digit of N is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 7 |
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| b. | 4 |
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| c. | 9 |
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| d. | 3 |
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Question number: 773
Question
Sum of the digit is divisible by 3 then the number is divisible by________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 7 |
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| b. | 5 |
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| c. | 3 |
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| d. | 2 |
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Question number: 774
Question
If the 3-digit number 25x is divisible by 5, then the value of x (x < 1) is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 0 |
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| b. | 2 |
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| c. | 4 |
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| d. | 5 |
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Question number: 775
Question
The number which is divisible by 8 is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 12345 |
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| b. | 34568 |
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| c. | 15816 |
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| d. | Both b. and c. are correct |
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Question number: 776
Question
If the 3-digit number 82x is divisible by 4, then the value of x is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2 |
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| b. | 5 |
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| c. | 4 |
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| d. | 3 |
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