Rahul Sofat Solutions for Chapter: Playing with Numbers, Exercise 2: EXERCISE 3.2

Every natural number is either a prime number or a composite number.

$1$ is a prime number.

The smallest odd composite number is $9$.

The sum of any two prime numbers is always an even number.

The product of any two prime numbers is always an odd number.

All even numbers are composite numbers.

The sum of any two prime numbers cannot be a prime number.

For a number greater than $10$ to be prime, the possible digits in the units place are $1,3,7$ and $9.$