Question

14. Which of the following are co-primes?
a) 11,126) 15,21 c) 12,51
d) 5,70​

Answer 1

Step-by-step explanation:

11 ,126 is co prime

because their hcf is only 1

Answer 2

Answer:

a) 11,126..

Step-by-step explanation:

commonly multiple of 15and 21 is 3

12and 51 is 3

5 and 70 is 5

11 and126 is 1

hence ans is a)

hope this will help u