Class 11

Math

JEE Main Questions

Sets

Taking the set of natural numbers as the universal set, write down the complements of the following sets:

(i) {x : x is an even natural number} (ii) { x : x is an odd natural number }

(iii) {x : x is a positive multiple of 3} (iv) { x : x is a prime number }

(v) {x : x is a natural number divisible by 3 and 5}

(vi) { x : x is a perfect square } (vii) { x : x is a perfect cube}

(viii) { x : x + 5 = 8 }(ix) { x : 2x + 5 = 9}

(x) { x : x ≥ 7 }(xi) { x : x ∈ N and 2x + 1 > 10 }