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The number of non-empty subsets of the s...

The number of non-empty subsets of the set `{1,2,3,4}` is

A

15

B

14

C

16

D

17

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The correct Answer is:
A
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TARGET PUBLICATION-SETS, RELATIONS AND FUNCTIONS-COMPETITVE THINKING
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  2. Let S = {x in R: x ge0 and 2|sqrtx -3| + sqrtx (sqrtx -6)+ 6-0} The...

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  3. The number of non-empty subsets of the set {1,2,3,4} is

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  4. If the set A contains 5 elements, then the number of elements in the p...

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  5. If A = {x:x is a multiple of 4} and B= {x:x is multiple of 6} then A ...

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

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  7. If S is a set with 10 elements and A={(x,y):x,y in S, x ne y}, then th...

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  8. The total number of subset of the set {1,2,…,10} which do not contain ...

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

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  10. Suppose A1,A2….. A(30) are thirty sets each having 5 elements and B1B2...

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  11. For any two sets A and B, A-(A-B) equals

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  12. Three sets A,B and C are such that A=B nnCandB=CnnA

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  13. Let A, B and C be the sets such that A uu B=A uu C and A nn B = A nn C...

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  14. Let A and B be sets. If AnnX=BnnX=phi and AuuX=BuuX for some set X the...

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  15. If n (A) =3 ,n(3)=6 and A sube B .Then the number of elements in A cu...

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  16. If n (A)=8 and n (A nnB)=2, then n[(AnnB)' nn A] is equal to

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  17. Given A = {x | x is a root of x^2 - 1 =0}, B = {x | x is a root of x^2...

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  18. If X = {4 ^(n)-2n-1: n in N} and Y={9(n -1) : n in N}, then Xnn Y=

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  19. If N(a)={an:ninN}, then N(5) nn N(7) equals

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  20. If A and B are two non-empty sets, then (B-A) nn (A uuB)' is equal to

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