MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Discrete Mathematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If a, b are two distinct prime number than a highest common factor of a, b is ___________ |
| A. | 2 |
| B. | 0 |
| C. | 1 |
| D. | ab |
| Answer» D. ab | |
| 2. |
If a, b, c, d are distinct prime numbers with an as smallest prime then a * b * c * d is a ___________ |
| A. | Odd number |
| B. | Even number |
| C. | Prime number |
| D. | None of the mentioned |
| Answer» C. Prime number | |
| 3. |
Difference of two distinct prime numbers is? |
| A. | Odd and prime |
| B. | Even and composite |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 4. |
Sum of two different prime number is a ____________ |
| A. | Prime number |
| B. | Composite number |
| C. | Either Prime or Composite |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
There are finite number of prime numbers. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
How many prime numbers are there between 1 to 20? |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | None of the mentioned |
| Answer» E. | |
| 7. |
3 is the smallest prime number possible. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
All prime numbers are odd. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
What is the number ‘ 1’? |
| A. | Prime number |
| B. | Composite number |
| C. | Neither Prime nor Composite |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 10. |
The number of factors of prime numbers are ___________ |
| A. | 2 |
| B. | 3 |
| C. | Depends on the prime number |
| D. | None of the mentioned |
| Answer» B. 3 | |
| 11. |
IF_A,_B,_C,_D_ARE_DISTINCT_PRIME_NUMBERS_WITH_A_AS_SMALLEST_PRIME_THEN_A_*_B_*_C_*_D_IS_A:?$ |
| A. | Odd number |
| B. | Even number |
| C. | Prime number |
| D. | None of the mentioned. |
| Answer» C. Prime number | |
| 12. |
If_a,_b_are_two_distinct_prime_number_than_highest_common_factor_of_a,_b_is$ |
| A. | 2 |
| B. | 0 |
| C. | 1 |
| D. | ab |
| Answer» D. ab | |
| 13. |
Difference of two distinct prime numbers is ? |
| A. | Odd and prime |
| B. | Even and composite |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 14. |
Sum of two different prime number is a: |
| A. | Prime number |
| B. | Composite number |
| C. | Either Prime or Composite |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 15. |
How may prime numbers are there between 1 to 20. |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | None of the mentioned |
| Answer» E. | |
| 16. |
State whether True or False |
| A. | fals |
| B. | True |
| Answer» C. | |
| 17. |
The number ‘ 1’ is :$ |
| A. | Prime number |
| B. | Composite number |
| C. | Neither Prime nor Composite |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 18. |
The number of factors of a prime numbers are: |
| A. | 2 |
| B. | 3 |
| C. | Depends on the prime number |
| D. | None of the mentioned |
| Answer» B. 3 | |