Question

Which of the following is not null set
1. Set of odd nabilal members divisible by 2 2. Set of even prime numbers
3. : 3 18 a natural Tion VETE, XC5 and x>7] 4. gy is a point cannon to my two parallel lines).​

Answer 1

Answer:

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Answer 2

THIS QUESTION WAS WRONG RIGHT QUESTION IS THIS

Which of the following areof the null set?

(i) Set of odd natural numbers divisible by 2

(ii) Set of even prime numbers

(iii) {x:x is a natural numbers, x < 5 and x > 7}

(iv) {y:y is a point common to any two parallel lines}

ANSWER

(i) A set of odd natural numbers divisible by 2 is a null set because no odd number is divisible by 2.

(ii) A={2}.

A set of even prime numbers is not a null set because 2 is an even prime number.

(iii) {x:x is a natural number,x<5 andx>7} is a null set because a number cannot be simultaneously less than 5 and greater than 7.

(iv) {y:y is a point common to any two parallel lines} is a null set because parallel lines do not intersect. Hence, they have no common point.

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