Practice Exercise: Subsets JEE Notes | EduRev

Sets and Functions

JEE : Practice Exercise: Subsets JEE Notes | EduRev

The document Practice Exercise: Subsets JEE Notes | EduRev is a part of the JEE Course Sets and Functions.
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-> Make correct statements by filling in the symbols ⊂ or ⊄ in the blank spaces :


1. {x : x is a student of Class XI of your school}. . .{x : x student of your school}


2. {x : x is an equilateral triangle in a plane} . . . {x : x is a triangle in the same plane}


3. {x : x is an even natural number} . . . {x : x is an integer}


4. φ . . . { 1, 3 }, where φ is an empty set.


-> Let A = { 1, 2, { 3, 4 }, 5 }. Which of the following statements are incorrect and why?

Note that φ is an empty set.

(i) {3, 4} ⊂ A 

(ii) {3, 4} ∈ A 

(iii) {{3, 4}} ⊂ A

(iv) 1 ∈ A 

(v) 1 ⊂ A 

(vi) {1, 2, 5} ⊂ A

(vii) {1, 2, 5} ∈ A 

(viii) {1, 2, 3} ⊂ A 

(ix) φ ∈ A

(x) φ ⊂ A 

(xi) {φ} ⊂ A

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