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Class 11 Maths Practice Test - Power Sets
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Avg score: 67% • Most missed: “How many elements are there in P(A), if A = φ?”
Class 11 Maths Practice Test - Power Sets
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10 Questions

1. If a set A has 3 elements then find the number of elements in power set of set A.
2. If X = {1,2} then P(X) = {φ, {1}, {2}, {1,2}}.
3. How many elements are there in P(A), if A = φ?
4. Which of the following is not the element of power set of {2,3}?
5. If set A={Φ} then P(A) is ___________
6. Cardinality of the power set of {0, 1, 2 . . ., 6} is _________
7. If A = {a, b, c} then P(A) = {{a}, {b}, {c}, {a, b}, {b, c}, {a, c}, {a, b, c}}.
8. If a set A={x: x is a prime number less than 4} then n[P(P(A))] is ______________
9. If set X = {2,3,5,7}, then n[P(X)] is _____________
10. If set A = {1,2,3} then which of the following is incorrect?

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