Which of the following are examples of the null set:(i) Set of odd natural numbers divisible by 2(ii) Set of even prime numbers(iii) {x:x is a natural number, x<5 and x>7}(iv) {y:y is a point common to any two parallel lines}

Which of the following are examples of the null set:(i) Set of odd n

1.	Which of the following are examples of the null set:(i) Set of odd natural numbers divisible by 2(ii) Set of even prime numbers(iii) {x:x is a natural number, x<5 and x>7}(iv) {y:y is a point common to any two parallel lines}
Answer» Which of the following are examples of the null set: $(i)$ Set of odd natural numbers divisible by $2$ $(i i)$ Set of even prime numbers $(i i i)$ ${x : x$ is a natural number, $x < 5$ and $x > 7}$ $(i v)$ ${y : y$ is a point common to any two parallel lines $}$