Mathematics - Sets
CBSE Class 11 NCERT Exercise 1.3
Q1: Make correct statements by filling in the symbols ⊂ or ⊄ in the blank spaces :
(i) { 2, 3, 4 } . . . { 1, 2, 3, 4,5 }
Answer: ⊂
(ii) { a, b, c } . . . { b, c, d }
Answer: ⊄
(iii) {x : x is a student of Class XI of your school}. . .{x : x student of your school}
Answer: ⊂
(iv) {x : x is a circle in the plane} . . .{x : x is a circle in the same plane with radius 1 unit}
Answer: ⊄
Answer: ⊄