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State whether the following sets are finite or infinite.

(i) {x ∈ N : x is an even prime number} 

(ii) {x ∈ N : x is an odd prime number} 

(iii) {x ∈ Z : x is even and less than 10} 

(iv) {x ∈ R : x is a rational number} 

(v) {x ∈ N : x is a rational number}

1 Answer

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(i) Finite set 

(ii) Infinite set 

(iii) Infinite 

(iv) and 

(v) infinite

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