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9th Tamil Nadu Board
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If A={x, y, z}, then the number of non-empty subsets of A is

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Important Questions on Set Language

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9th Tamil Nadu Board
IMPORTANT
Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 6
Which of the following is correct?
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9th Tamil Nadu Board
IMPORTANT
Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 7
If A∪B=A∩B, then
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9th Tamil Nadu Board
IMPORTANT
Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 8
If B-A is B, then A∩B is 
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9th Tamil Nadu Board
IMPORTANT
Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 9

From the adjacent diagram n[P(AΔB)] is 

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9th Tamil Nadu Board
IMPORTANT
Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 10
If n(A)=10 and n(B)=15, then the minimum and maximum number of elements in A∩B is
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9th Tamil Nadu Board
IMPORTANT
Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 11
If A={∅} and B=P(A), then A∩B is 
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9th Tamil Nadu Board
IMPORTANT
Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 12
In a class of 50 boys, 35 boys play Carrom and 20 boys play Chess, then the number of boys who play both games is
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9th Tamil Nadu Board
IMPORTANT
Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 13
If U={x:x∈ℕ and x<10}, A={1, 2, 3, 5, 8} and B={2, 5, 6, 7, 9}, then n(A∪B)' is