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There are two numbers p and q such that ...

There are two numbers p and q such that their HCF is 1. Which of the following statements are correct ?
1. Both p and q may be prime.
2. One number may be prime and the other composite.
3. Both the numbers may be composite.
Select the correct answer using the code given below:

A

1 and 2 only

B

2 and 3 only

C

1 and 3 only

D

1, 2 and 3

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