EASY
7th CBSE
IMPORTANT
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The number of non-empty proper subsets of a set A is 510. Find the number of elements of the set A

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Important Questions on Set Theory

EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 10 - Set Theory>PRACTICE QUESTIONS (CLASSROOM WING)>Q 1
If A={T,I,G,E,R} and B={G,I,N,T,E,R}, then A∪B has 6 elements.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 10 - Set Theory>PRACTICE QUESTIONS (CLASSROOM WING)>Q 2
The cardinal number of the set containing the letters of the word "GINGER COOK" is 8.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 10 - Set Theory>PRACTICE QUESTIONS (CLASSROOM WING)>Q 3
If A⊂B, then A∪B=A.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 10 - Set Theory>PRACTICE QUESTIONS (CLASSROOM WING)>Q 4
If X={1,2,3,{4,5},6,{7,8,9},10}, then {4,5}⊂X.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 10 - Set Theory>PRACTICE QUESTIONS (CLASSROOM WING)>Q 5
Two sets having no element in common are called _____ sets.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 10 - Set Theory>PRACTICE QUESTIONS (CLASSROOM WING)>Q 6
The set of whole numbers is a/an _____ set. (finite/infinite).
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 10 - Set Theory>PRACTICE QUESTIONS (CLASSROOM WING)>Q 7
If X={1,3,5,7,9}, then the cardinal number of set X is _____.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 10 - Set Theory>PRACTICE QUESTIONS (CLASSROOM WING)>Q 8
If Y={2,4,6,8}, then the number of proper subsets of X is _____.