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Difference of Sets

A and B are s...

Question

A and B are sets such that n(A) = 15 and n(B) = 25 and n(A ∪ B) = 30, then n(A ∩ B) =

A तथा B समुच्चय हैं जबकि n(A) = 15 और n(B) = 25 तथा n(A ∪ B) = 30, तब n(A ∩ B) =

A

15

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B

10

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C

5

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D

12

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Solution

The correct option is B 10
Solution

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Q. Two sets such that

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

n (A \cap B) = 10,

n (A \cup B) =

A

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are two sets such that

n (A \cup B) = 50

n (A) = 25

n (B) = 32

n (A \cap B)

n (ξ)

= 30, n (A) = 22, n (B) = 15

n (A

\cup

B) = 25

n (A

^{'}

n (ξ)

= 30, n (A) = 22, n (B) = 15

n (A

\cup

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n (B

^{'}

)

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= 30, n (A) = 22, n (B) = 15

n (A

\cup

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n (A

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)

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