Question

B. Mark (V) against the correct answer in each of the following:
11. Which of the following are co-primes?
(a) 91 and 72 (b) 34 and 51
(c) 21 and 36
(d) 15 and 20​

Answer 1

Answer:

answer is:

(b) 34and51

Answer 2

Explanation:

optins a and B are co- primes because their only common factor is 1. I hope it helps. Please mark as brainliest.