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Question
Which of the following statements is not true?
Options
The HCF of two distinct prime numbers is 1
The HCF of two co-prime numbers is 1
The HCF of two consecutive even numbers is 2
The HCF of an even and an odd number is even
Solution
The HCF of an even and an odd number is even.
Explanation:
We know that, HCF of an even and an odd number is always an odd number, e.g. HCF (8, 7) = 1 (odd)
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