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Subjects
Mathematics State Board
Class 9
Set Language
Cardinality and Practical Problems on Set Operations-I
1.
Multiple choice question
Exercise condition:
2
m.
1
. If \(n(A) = 10\) and \(n(B) = 15\), then the minimum and maximum number of elements in \(A \cap B\) is:
\((10, 15)\)
\((10, 0)\)
\((0, 10)\)
\((15, 10)\)
2
. In a class of \(50\) boys, \(35\) boys play Carrom and \(20\) boys play Chess then the number of boys play both games is:
\(15\)
\(30\)
\(10\)
\(5\)
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