1.

Taking the set of natural numbers as the universal set, write down the complements of the following set:(i) {x:x is an even natural number }(ii) {x:x is an odd narutal 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}

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

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

(ii) {x:x is an odd narutal 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}


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