MCQ
If two numbers are relatively prime or co- prime, then their $HCF$ is ...............
- A$5$
- B$0$
- ✓$1$
- D$9$
Co-prime number is a set of numbers or integers which have only $1$ as their common factor i.e. their $(HCF)$ will be $1.$
The factors of prime number is $11$ and number itself, so $HCF$ of such numbers is $1.$
Therefore, $C$ is the correct answer.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.