Mathematics-Playing With Numbers (NSTSE (National Science Talent Search Exam- Unified Council) Class 6): Questions 50 - 59 of 83
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Question number: 50
» Mathematics » Playing With Numbers
Question
The LCM of two numbers is 6444. Which of the following numbers cannot be possibly the HCF of these numbers?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 14 |
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| b. | 18 |
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| c. | 1611 |
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| d. | 179 |
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Question number: 51
» Mathematics » Playing With Numbers
Question
The greatest number which when divides 304 and 365 leaving remainders 4 and 5 respectively is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 65 |
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| b. | 300 |
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| c. | 60 |
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| d. | 5 |
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Question number: 52
» Mathematics » Playing With Numbers
Question
A co-prime number is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | An even number |
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| b. | An odd number |
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| c. | Relatively prime number |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 53
» Mathematics » Playing With Numbers
Question
Which of the following statement is true?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Every prime number is divisible by 1 or itself |
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| b. | 1 is smallest prime number |
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| c. | Every prime number is an odd number |
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| d. | All of the above |
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Question number: 54
» Mathematics » Playing With Numbers
Question
LCM of 48,12 and 34 is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 1482 |
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| b. | 1215 |
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| c. | 816 |
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| d. | 1420 |
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Question number: 55
» Mathematics » Playing With Numbers
Question
Common factors of 10 and 15 are
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 1,5 |
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| b. | 1,10,15 |
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| c. | 1,3, 5 |
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| d. | None of the above |
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Question number: 56
» Mathematics » Playing With Numbers
Question
How many prime numbers there are from 5 to 40?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 9 |
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| b. | 10 |
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| c. | 12 |
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| d. | 11 |
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Question number: 57
» Mathematics » Playing With Numbers
Question
HCF of 24 and 36 is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 12 |
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| b. | 11 |
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| c. | 7 |
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| d. | 10 |
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Question number: 58
» Mathematics » Playing With Numbers
Question
Three common multiples of 4 and 12
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 12,32,22 |
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| b. | 12,24,36 |
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| c. | 12,36,40 |
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| d. | 12,45,36 |
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Question number: 59
» Mathematics » Playing With Numbers
Question
LCM of the two numbers=
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Product of numbers their HCF |
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| b. | Product of numbers |
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| c. | Product of numbers their HCF |
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| d. | All of the above |
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