Yes
Yes
Yes, 35 and 54 are relatively prime.
No, 54 and 165 are not relatively prime.
No, they are not relatively prime.
55 and 72 are relatively prime because they have no prime factors in common.
It can be. 40 is relatively prime to 41. 40 is not relatively prime to 54.
No, two even numbers cannot be relatively prime.
No.
Yes, 55 and 62 are relatively prime because they have no common factor greater than 1.
No.
Yes, they are.
No, they can both be divided by two. No two even numbers can be relatively prime.