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State which of the following sets are fi...

State which of the following sets are finite sets or infinite. In case of finite set, mention the order of cardinal number
(i) `A=("x:x is a prime number and "x lt 15)`
(ii) `B=(x:x in N, and 3x+2=11)`
(iii) `C=(x:x in N and x^(2)-14x+3=0)`
(iv) `D=(1,2,3,4....)`

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DISHA PUBLICATION-SETS-EXERCISE-1 : CONCEPT BUILDER
  1. the collection of intellgent students in a class is :

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

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

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  4. Which of the following statement is FALSE

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

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

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

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

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

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

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

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

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  13. If the set A and B are as follows : A={1,2,3,4},B={3,4,5,6}, then

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  14. Consider the following relations : 1. A-B=A -(Ann B) 2. A = (A nnB...

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  15. If A={x inR:0ltxlt3}andB={x inR:1lexle5} then ADeltaB is

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  16. Let X and Y be two non-empty sets such that XnnA=YnnA=phiandXuuA=YuuA ...

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  17. The set (A//B)uu(B//A) is equal to

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  18. if A ={x:x is a multiple of 3 } and , B={x:x is a multiple of 5 }...

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  19. If A and B are two sets prove that Ann(B-A)=phi

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  20. Each student in a class of 40, studies at least one of the subjects En...

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