IMO- Mathematics Olympiad (SOF) Class 6: Questions 171 - 179 of 1049
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Question number: 171
Question
2592 is divisible by
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 6 |
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| b. | 8 |
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| c. | 3 |
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| d. | All a. , b. and c. are correct |
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Question number: 172
Question
The two numbers which have only 1 as their common factor are called
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Twin primes |
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| b. | Co-primes |
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| c. | Composite |
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| d. | Even numbers |
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Question number: 173
Question
The co-prime numbers from the following pairs, is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 27 and 81 |
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| b. | 18 and 26 |
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| c. | 45 and 16 |
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| d. | 24 and 32 |
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Question number: 174
Question
Product of two integers is -96. If one of the integers is -8, then the other is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 12 |
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| b. | - 14 |
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| c. | 0 |
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| d. | 15 |
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Question number: 175
Question
The smallest number which when divided by 4,16,32 and 40 and leaves a remainder of 3,15,31 and 39 respectively is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 161 |
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| b. | 159 |
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| c. | 147 |
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| d. | 239 |
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Question number: 176
Question
HCF of two co-prime numbers is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 0 |
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| b. | 1 |
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| c. | 2 |
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| d. | None of the above |
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Question number: 177
Question
The integer which is 7 more than is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2 |
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| b. | 4 |
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| c. |
|
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| d. | 16 |
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Question number: 178
Question
When a number is divided by seven, it has a remainder of 2. When it is divided by six, it has remainder of 3. What is the number?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 16 |
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| b. | 44 |
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| c. | 38 |
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| d. | 9 |
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Question number: 179
Question
The co-prime numbers from the following pairs, is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 7 and 63 |
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| b. | 63 and 81 |
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| c. | 35 and 21 |
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| d. | 36 and 25 |
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