Question

Question 1- which of the following pairs is a pair of co-primes?
(i) 9,72
(ii)12,36
(iii)4,9
(iv)5,20

Answer 1

4/9 is the correct answer

4 and 9 have their common factor 1 so they are co-prime numbers

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Answer 2

Answer:

3. 4,9 is pair of co prime number

Step-by-step explanation:

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