1.

Mae four pairs of co-prime numbers from the following numbers: 9, 15, 20, 24, 16, 50

Answer»

15 and 16 are co-prime since they have 1 as the only
15 and 20 are co-prime since they have 1 as the only
15 and 50 are co-prime since they have 1 as the only
9 and 16 are co-prime since they have 1 as the only

Answer :A


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