Answer available
Class 11 · Mathematics · Sets
In a survey of 100 students, 60 read newspaper A, 50 read newspaper B and 30 read both. How many read at least one, and how many read neither?
3 marksMediumNumerical
ICSE question bank
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8 questions
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Class 11 · Mathematics · Sets
How many subsets does a set with 5 elements have, and how many of them are proper subsets?
2 marksEasyNumerical
- Answer available
Class 11 · Mathematics · Sets
Distinguish between a finite and an infinite set, and between an empty set and a singleton set.
2 marksEasyShort answer
- Answer available
Class 11 · Mathematics · Sets
Define the power set and write the power set of A = {1, 2}.
3 marksMediumShort answer
- Answer available
Class 11 · Mathematics · Sets
If A = {1, 2, 3, 4} and B = {3, 4, 5, 6}, find A ∪ B, A ∩ B and A − B.
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Sets
In a class of 60 students, 35 play cricket, 28 play football and 12 play both. How many play neither?
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Sets
If n(A) = 20, n(B) = 28 and n(A ∩ B) = 8, find n(A ∪ B).
2 marksEasyNumerical
- Answer available
Class 11 · Mathematics · Sets
State De Morgan's laws for sets.
3 marksMediumShort answer