Question

The pair of co-primes among the following:

(a)(2,4) (b) (4,9) (c) (3,9) (d) (4,6)​

Answer 1

Answer:

b

Step-by-step explanation:

Two numbers are coprime when the common factor of both numbers is 1.

Pair Common factor

(2,4) 2

(4,9) 1

(3,9) 3

(4,6) 2

So the answer is b. (4,9)

Answer 2

The answer is (B) option...