Product P & Q may be grouped as

. Product P, Q , and R are :

In the following sequence of reaction : Product P and Q are respectively :

The products P & Q are respectively

The products P and Q are

Consider the following statements in respect of two integers p and q (both gt 1) which are relatively prime : 1. Both p and q may be prime numbers. 2. Both p and q may be composite numbers. 3. One of p and q may be prime and the other composite. Which of the above statements are correct?