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If A and B are two sets such that n (A) = 5 , n (B) = 7, then the minimum number of elements in `A uu B` is

A

5

B

12

C

2

D

7

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The correct Answer is:
D
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HIMALAYA PUBLICATION-SETS,RELATIONS AND FUNCTIONS-QUESTION BANK
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  2. A and B are two sets such that n (A) =25 and n(B) = 15, then maximum n...

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  3. If A and B are two sets such that n (A) = 5 , n (B) = 7, then the mini...

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  4. A and B are two sets such that n(A) = 30 and n(B)=41, then n(A uu B)...

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  5. A and B are two sets such that n(A) = 27 and n(B)=32, then n(A nn B)...

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  6. If A(n) is the set of first n primes then bignn(n=3)^(10) A(n)=

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  7. If A(n) is the set of first n primes than, uu(n=2)^(10) A(n)=

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  8. If n(U) = 300, n(A)= 115, n(B)= 125 and n(A uu B) = 140 then n[(A nn...

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  9. If n(U) = 100, n(A)=50, n(B)=20 and n(A nn B) = 10, then n{(A uu B)} ...

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