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Classification of Modern Periodic Table

23. If A and ...

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23. If A and B be two sets such that n(A)=15,n(B)=25, then no.of elements in range of n(AB)=?

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A

B

be two sets such that

n (A) = 15, n (B) = 25

, then number of elements (symmetric difference of

A

B

)

Q. Two sets such that

n (B - A) = 25; n (A - B) = 15

n (A \cap B) = 10,

n (A \cup B) =

Q. If A and B be two sets such that n(A) = 15, n(B) =25, then number of possible values of

n (A Δ B)

(symmetric difference of A and B) is

Q. If A and B are two finite sets such that n(A) > n(B) and the difference of the number of elements of the power sets of A and B is 96, then n(A) – n(B) = ____________.

Q. If A and B are two sets such that

n (A) = 17, n (B) = 23, n (A \cup B) = 38

n (A \cap B)

.

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