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11 questions
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- 1. Multiple Choice
What is the smallest 2 digit prime?
13
17
11
7
- 2. Multiple Choice
What is the smallest prime?
3
4
6
2
- 3. Multiple Choice
What is the HCF of 81,117?
9
4
13
21
- 4. Multiple Choice
What is the number 1?
Prime number
Unique number
Composite number
Consecutive number
- 5. Multiple Choice
Which one of the following is a true algorithm?
Aryabhata's Algorithm
Algorithm of Mathematics
Ram's Algorithm
Euclid's Algorithm
- 6. Multiple Choice
What are twin-primes?
5 composites in the middle
1 composite number in the middle
2 composite numbers in the middle
3 composite numbers in the middle
- 7. Multiple Choice
What did Eratosthenes do?
Found out how to multiply
Found out how to add
Found out how to find a square root
Found out prime numbers
- 8. Multiple Choice
What is a prime triplet?
3 primes in a row
3 alternate prime numbers
4 alternate prime numbers
4 primes in a row
- 9. Multiple Choice
what are co-primes?
2 numbers that do not have a common factor except 1
2 numbers that do not have a common factor
3 numbers that do not have a common factor
3 numbers that do not have a common factor except 1
- 10. Multiple Choice
Which one is divisible by 9?
8118
190
2990
2220
- 11. Poll
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