Can anyone explain me how the answer is 373 in the above pic. Actually it is the pic from my quide and I did not understand how the answer is 373..?? 35points for answering the correct answer. I am in 10th standard and it is from the chapter sets.
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n(A-B) gives us the region of A which does not include n(A intersection B). So, for union of A and B, we simply have to add n(A-B) and n(B) which equals 326+47 and is equal to n(AUB)=373.
Secret11:
Actually I have given 35points I don't know how it turned to 18points....
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OK!? we will apply the process of bodmas
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