claire747808 claire747808

21-12-2016
Mathematics

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Which pair of numbers is relatively prime?
A. 21 and 39
B. 12 and 54
C. 10 and 21
D. 15 and 27

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Apocrophon Apocrophon

21-12-2016

The answer is C, as both numbers are only both divisible by 1.

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takahrie161 takahrie161

21-12-2016

10 and 21 OK hope you get it

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