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Real Numbers

If the HCF of...

Question

If the HCF of two numbers a and b is 1, then a and b are always

Even natural numbers

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Odd natural numbers

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Co-prime numbers

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Even number and odd number respectively

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Solution

The correct option is C Co-prime numbers
If the HCF of the two numbers a and b is 1 then a and b have no common factors other than 1.
This implies, a and b are always co-prime numbers.
Hence, the correct answer is option (c)

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