IMO- Mathematics Olympiad Class 8: Questions 744 - 750 of 1029
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Question number: 744
Question
If a 3-digit number ‘abc’ is divisible by 4, then________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | is a multiple of 4 |
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| b. | is a multiple of 4 |
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| c. | is a multiple of 4 |
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| d. | is a multiple of 4 |
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Question number: 745
Question
When a certain number is multiplied by 12, the product consists entirely of fours. The smallest such number is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 3715 |
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| b. | 3701 |
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| c. | 3703 |
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| d. | 3700 |
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Question number: 746
Question
A 3 digit number ‘abc’ is divisible by 3 if________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | a + b + c is divisible by 3 |
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| b. | a + b + 2c is divisible by 9 |
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| c. | 2a + b + c is divisible by 9 |
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| d. | a + 2b + c is divisible by 9 |
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Question number: 747
Question
The least value of x so that 48176x3 is divisible by 9 is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 9 |
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| b. | 11 |
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| c. | 5 |
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| d. | 7 |
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Question number: 748
Question
The least value must be given to x so that the number 6148x2 is divisible by 8 is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 1 |
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| b. | 4 |
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| c. | 2 |
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| d. | 3 |
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Question number: 749
Question
If a 5-digit number ‘abcde’ is divisible by 8, then________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | is a multiple of 8 |
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| b. | is a multiple of 8 |
|
| c. | is a multiple of 8 |
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| d. | is a multiple of 8 |
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Question number: 750
Question
If , where A and B are single digit number such that , then the values of A and B are________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 4, 5 |
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| b. | 5, 4 |
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| c. | 6, 9 |
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| d. | 9, 6 |
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