46. In which of the alternatives is the pair of numbers coprime?(1) 25 – InterviewSolution

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1.

46. In which of the alternatives is the pair of numbers coprime?(1) 253 and 161(3) 259 and 207(2) 261 and 348(4) 434 and 279.

Answer»

When two numbers are co - prime then their HCF is 1.

The factors of 207 are:1, 3, 9, 23, 69, 207

The factors of 259 are:1, 7, 37, 259

HCF(259, 207) = 1.So, (3) option is correct

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