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If Aa n dB are two sets, then (A-B)uu(B-...

If `Aa n dB` are two sets, then `(A-B)uu(B-A)uu(AnnB)` is equal to `AuuB` (b) `AnnB` (c) `A` (d) `B`

A

`A uuB`

B

`AnnB`

C

A

D

B'

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-SETS, RELATIONS AND FUNCTIONS-CRITICAL THINKING
  1. Which of the following is an empty set ?

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

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

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

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

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

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

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  8. In a group of 100 children, 62 like pizza, 47 like burger and 36 like ...

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  9. in a consumer -perference survey of an item, fifteen were found to use...

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  10. In a battle 70% of the combatants lost one eye, 80% an ear, 75% an ar...

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  11. In a group of 20 adults, there are 8 males and 9 vegetarians. Find the...

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  12. In a class of 120 students, 46 play chess, 30 lay table tennis and 40 ...

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  13. If A= {(x,y) : y = e^(x), x in R } and B = { (x,y) : y = e^(-x), x in ...

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  14. A survey shows that 63% of the Americans like cheese where as 76% like...

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  15. if X={8^(n)-7n-1:n in N) and Y={49(n-1): n in N}, then

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  16. If A={a,b},B={c,d},C={d,e} then {(a,c),(a,d),(a,e),(b,c),(b,d),(b,e)}=

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  17. If (1, 3), (2, 5) and (3, 3) are the three elements of A xx B and the ...

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  18. Let A and B be two sets such that Axx B={(a,1),(1,3),(a,3),(6,1),(a,2)...

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  19. Let A and B be two sets such that AxxB consists of 6 elements. If thre...

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  20. Let n(A) = n, then the number of all relations on A, is

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