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If n (A) = 50, n (B) = 40 and n (A  B ) = 10, draw a venn diagram to find n (A  B). 

Asked by Topperlearning User 4th June 2014, 1:23 PM
Answered by Expert
Answer:

Given n (A  B) = 10

So , n (A) = 50 = 40 + 10

       n (B) = 40 = 30 + 10

Using the Venn Diagram , we can draw the above information as follows,

From the venn diagram, we can conclude that,

n (A  B) = 40 + 10 + 30 = 80

Answered by Expert 4th June 2014, 3:23 PM
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