Question

Make correct statements by filling in the symbols ⊂ or ⊄ in the blank spaces: 

(i) {2, 3, 4} … {1, 2, 3, 4, 5} 

(ii) {a, b, c} … {b, c, d} 

(iii) {x: x is a student of Class XI of your school} … {x: x student of your school} 

(iv) {x: x is a circle in the plane} … {x: x is a circle in the same plane with radius 1 unit} 

(v) {x: x is a triangle in a plane}…{x: x is a rectangle in the plane} 

(vi) {x: x is an equilateral triangle in a plane}… {x: x is a triangle in the same plane} 

(vii) {x: x is an even natural number} … {x: x is an integer} 

Answer 1

 

(iii) {x: x is a student of class XI of your school}⊂ {x: x is student of your school} 

(iv) {x: x is a circle in the plane} ⊄ {x: x is a circle in the same plane with radius 1 unit} 

(v) {x: x is a triangle in a plane} ⊄ {x: x is a rectangle in the plane} 

(vi) {x: x is an equilateral triangle in a plane}⊂ {x: x in a triangle in the same plane} .

(vii) {x: x is an even natural number} ⊂ {x: x is an integer}