Which of the following pairs of numbers are co-prime?
119, 239
Two numbers are co-prime if their HCF is 1.
30, 201: 3 divides both, HCF = 3.
49, 217: 7 divides both, HCF = 7.
48, 111: 3 divides both, HCF = 3.
119 = 7 × 17 and 239 is prime, sharing no common factor, so HCF = 1.
Hence, the answer is 119, 239.
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