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Concept of Inequality

38. If A and ...

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38. If A and B be two sets such that n(A)=15 and n(B)=25. Then the number of possible values of n(AΔB) is 1). 30 2) 16 3) 26 4) 40

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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

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) =

If A and B are two sets such that n (A) = 20, n(B) = 25 and $n (A \cup B)$ = 40, then write $n (A \cap B)$ .

A, B

be two set such that

n (A) = 4

n (B) = 6

then the least possible number of elements in the power set of

(A \cup B)

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