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The total number of elements in the p...

The total number of elements in the power set of a set A containing n elements is :

A

`n^2`

B

`2^n`

C

`2^n-1`

D

none of these

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The correct Answer is:
B
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QUANTUM CAT-SET THEORY-QUESTION BANK
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  2. Consider the following statements : 1. Any set A is comparable with...

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  3. The total number of elements in the power set of a set A containi...

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  4. Let A = {3, pi , sqrt(2) , - 5,3 + sqrt(7),2//7}. The subset of A con...

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  5. The set {x:(x-3)(x-5)gt0} is equal to :

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  6. If A is the set of all integral multiples of 3 and B is the set of...

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  7. If X={4^n-3n-1:n in N} and {9(n-1):n in N, then precisely:

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  8. The number of elements of the set {x: X in N,x^(2) = 1} where N is ...

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  9. 1f A = {1,2, 3,4} and B = {5, 6,7}, then AnnB is:

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  10. If A = {1,2,3……..9} , B = {2,4,6,7,8} and C = {3,4,5,8,9,10} then (A...

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  11. AuuB=A, then :

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  12. If A has 3 elements and B has 6 elements, then the minimum number of e...

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  13. Let X = {1,2,3, 4,5, 6,7, 8, 9,10} be the universal set and A ={2,4, 6...

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  14. If A B, C are any three sets, then :

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  15. Consider the following statements : For any two sets A and B (1)(A-B...

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  16. If X and Y are two sets and X' denotes the complement of X then Xcap(X...

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  17. The number of 5-digit numbers that can be formed using the digits 3,4,...

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  18. If A,B and C be any three sets , then A uu (Bnn C) is the same as :

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  19. A-(BuuC) is equal to

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  20. In a group of 1000 people 700 can speak English and 500 can speak Hind...

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