No. Even numbers can't be relatively prime to each other.
No, they are not relatively prime.
No, they are not relatively prime.
No, they are not.
No
Yes. hcf(65, 112) = 1.
Yes, they are relatively prime.
No, 28 and 34 are not relatively prime. No pair of even numbers can be relatively prime, as they always share at least one factor (2).
No, they are not.
No they are not.
75 and 112
It can be. 27 is relatively prime to 28.
Yes, as their only common factor is 1.