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Which of the following are co-primes? - Mathematics

MCQ
Sum

Which of the following are co-primes?

Options

  • 8, 12

  • 9, 10

  • 6, 8

  • 15, 18

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Solution

9, 10
8, 12 are not co-primes as they have a common factor 4.
9, 10 are co-primes as they do not have a common factor.
6, 8 are not co-primes as they have a common factor 2.
5,18 are not co-primes as they have a common factor 3.

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APPEARS IN

RS Aggarwal Class 6 Mathematics
Chapter 2 Factors and Multiples
Exercise 2F | Q 10 | Page 41
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