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A-B =B-A if...

`A-B =B-A` if

A

`A sub B`

B

`Bsub A`

C

`A=B`

D

`A nnB = phi`

Text Solution

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The correct Answer is:
D
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TARGET PUBLICATION-SETS, RELATIONS AND FUNCTIONS-CRITICAL THINKING
  1. A-B is equal to

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  2. A-B =A iff

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  3. A-B =B-A if

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  4. If A and B are any two sets, then (A uuB)- (A nnB)=

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  5. Which of the following is not true ?

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  6. If A is any set, then

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  7. Let X= {x//x in N, 1 le x le 8}, A = {1,2,3},B={2,4,6}, C= {1,3,5,7}, ...

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  8. If A -={a,e,I,o,u}, C-={p,q,r,…,z} and X-={a,b,c….,z} is the universal...

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  9. A= {x//x^(2) -7x +12 =0}, B= {x//x^(2) -x-12=0}, then AnnB=

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  10. B= [x//x^(2)-x-12=0} C={x//x^(2) -8x + 15 =0, then B uuC=

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  11. If C={x:x is an odd number}, D = {x:x is a prime number}, then C nn...

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  12. If A = {x//x is a multiple of 2,x in N }, B={x|x is a multiple of 5...

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  13. If X is the universal set and A, B are subsets of X such that n (X) =9...

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  14. Which of the following is an empty set ?

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  15. If A and B are two sets, then A nn (A uu B)' is equal to -

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  16. If Aa n dB are two sets, then (A-B)uu(B-A)uu(AnnB) is equal to AuuB (...

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  17. Let U be the universal set and AuuBuuC=uu then {(A-B)uu(B-C)uu(C-A)}' ...

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  18. A={x^(2)-9x+20=0}, B={x ^(2)+13 x + 42=0} C={x^(2) -3x-70=0}and ...

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  19. If A -={x//6 x ^(2)+ x-15=0}, B-={x//2x ^(2) - 5x +3 =0}and C-= {...

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  20. In a group of 50presons, everyone takes either tea of coffee. If 35 ta...

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