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Question

If n()= 700, n(A) = 200, n(B) = 300 , n(AB) = 100, then n(AB)


A

400

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B

240

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C

300

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D

500

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Solution

The correct option is C

300


n(AB) = n(U)n(AB)
= 700 - (200+300-100) = 300


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