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If A={a,b,c}, then what is the number of...

If A={a,b,c}, then what is the number of proper subsets of A?

A

3

B

8

C

6

D

7

Text Solution

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The correct Answer is:
D
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DISHA PUBLICATION-SETS-EXERCISE-1 : CONCEPT BUILDER
  1. If A={a,b,c}, then what is the number of proper subsets of A?

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  2. Consider the following sets. I. A={1,2,3} II. B={x inR:x^(2)-2x+1=...

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  3. Two finite sets have m and n elements. The total number of subsets of ...

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  4. Let A and B be two non empty subsets of set X such that A is not a sub...

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  5. If A = {x , y}, then the power set of A is

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  6. Given the sets A = {1,3,5}, B = {2,4,6} and C = {0,2,4,6,8}, which of ...

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  7. Find the pairs of equal sets from the following sets, if any, giving ...

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  8. Let A={1,3,5} and B = {x:x is an odd natural number less than 6}. Then...

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  9. the collection of intellgent students in a class is :

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  10. If A={1,2,(3,4),5}, then which of the following statements is incorrec...

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  11. State which of the following sets are finite sets or infinite. In case...

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  12. Which of the following statement is FALSE

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  13. The set {x : x is a positive integer less than 6 and 3^(x)-1 is an eve...

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  14. The cardinality of the set P{P[P(phi)]} is

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  15. The number of elements in the set {(a, b) : 2a^2 + 3b^2 = 35. a . b i...

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  16. If A={x:x=n^(2),n=1,2,3}, then number of proper subsets is

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  17. Let A, B, C be three sets. If AinBandBsubC then

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  18. Let V" "=" "{a ," "e ," "i ," "o," "u} and B" "=" "{a ," "i ," "k ," "...

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  19. If P={x in R : f(x)=0} and Q={x in R : g(x)=0 }, then PuuQ is

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  20. If A={1,2,3,4},B={2,3,5,6}andC={3,4,6,7}, then

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