IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 741 - 748 of 1040
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Question number: 741
Question
The number is divisible by 11 for________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Odd value of n | |
b. | For all Naturals numbers | |
c. | Even value of n | |
d. | None of the above | |
Question number: 742
Question
213456 is divisible by________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 5 | |
b. | 2 | |
c. | 7 | |
d. | None of the above | |
Question number: 743
Question
The least value of x so that 517 × 324 is divisible by 3 is________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 2 | |
b. | 3 | |
c. | 5 | |
d. | 4 | |
Question number: 744
Question
If a 3-digit number ‘abc’ is divisible by 4, then________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | is an integer | |
b. | is an integer | |
c. | is an integer | |
d. | is an integer | |
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. | 377 | |
b. | 37 | |
c. | 39 | |
d. | 373 | |
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 | |
b. | a + b + 2c is divisible by 9 | |
c. | 2a + b + c is divisible by 9 | |
d. | a + 2b + c is divisible by 9 | |
Question number: 747
Question
The least value of x so that 48176 × 3 is divisible by 9 is________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 9 | |
b. | 5 | |
c. | 11 | |
d. | 7 | |
Question number: 748
Question
The least value must be given to x so that the number 6148 × 2 is divisible by 8 is________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 1 | |
b. | 3 | |
c. | 2 | |
d. | 4 | |