Q.

State true or False:

If the HCF of two numbers is 1, then they are called as Co-prime numbers.

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a

False

b

True

answer is A.

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Detailed Solution

This statement is True.

Let us take two numbers 4 and 15.

Factors of 4 are 1,2, and 4.

Factors of 15 are 1,3,5, and 15.

Their common factor is 1.

Hence, HCF of 4 and 15 is 1.

If the HCF of two numbers is 1, then they are called co-prime numbers.

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