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

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

A

`A-(BnnC)={1,3,4}`

B

`A-(BnnC)={1,2,4}`

C

`A-(BnnC)={2,3}`

D

`A-(BnnC)={phi}`

Text Solution

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The correct Answer is:
B
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DISHA PUBLICATION-SETS-EXERCISE-1 : CONCEPT BUILDER
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  2. If P={x in R : f(x)=0} and Q={x in R : g(x)=0 }, then PuuQ is

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

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

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

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

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

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

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

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

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

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  12. If A and B are two sets, then (AuuB)'uu(A'nnb) is equal to

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  13. If A={1,2,5} and B={3,4,5,9}, then ADeltaB is equal to

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  14. Let X = {Rani, Geeta, Akbar} be the set of students of Class XI who a...

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  15. Let A={3,6,9,12,15,18,21} B={4,8,12,16,20} C={2,4,6,8,10,12,14,16}...

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  16. Out of 800 boys in a school, 224 played cricket, 240 played hockey and...

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  17. Let A={(n,2n):ninN} and B={(2n,3n):ninN}. What is AnnB equal to ?

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  18. If A is the set of all divisors of the number 15. B is the set of prim...

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  19. let mu= the set of all triangles, P = the set of all isosceles triangl...

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

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