ICSE /Class 7
Maths MCQ Based On Cardinal property of sets
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ICSE Class 7 Maths Cardinal property of sets
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Find the elements of set A and set B, then find n( A ∩ B).
Try to use the values of n given.
Use a formula to find the elements of B.
check the inequality
Apply counting
recall what is universal set
Write the elements of set A and B, and count them together.
Find the set H, and count the elements in it.
Find the required elements of set K
\\(n(C\\cup V ) = n(C)+n(V)-n(C\\cap V)\\)
\\(n(C- V ) = n(C)-n(C\\cap V)\\)
C = Students who like chocolate ice-cream.
V = Students who like vanilla ice-cream.
\\(C\\cap V\\) = Students who like both type of ice-creams
C-V = Students who like chocolate ice-cream only
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