Fill the symbol in the blank space.

(i) {a, b, c, d, e}….{a, b, c}

(ii) {3, 5, 7}… {3, 4, 5, 6, 7}

(iii) {x : x is a odd number}…{x : x is a even number}

(iv) {x : x is a student of class VI in your school}….{x : x is a student of your school}

(v) {x : x is a odd natural number less than 5}….{x : x is a natural number which divides 25}

(vi) {x : x is a even natural number less than 7}….{x : x is a natural number which divides 18}

Answers:

(i) {a, b, c, d, e} ⊄ {a, b, c}

(ii) {3, 5, 7} ⊂ {3, 4, 5, 6, 7}

(iii) {x : x is a odd number} ⊄ {x : x is a even number}

(iv) {x : x is a student of class VI in your school} ⊂ {x : x is a student of your school}

(v) {x : x is a odd natural number less than 5} ⊄ {x : x is a natural number which divides 25}

(vi) {x : x is a even natural number less than 7} ⊄ {x : x is a natural number which divides 18}