Math, asked by DhawalPatidar, 9 months ago

If a universal Set contains 500 elements, n(A)=240,
n(AUB) = 460 and n(ARB) = 55,
Find n(B')

Answers

Answered by Kpv5348

2

Answer:

AUB=An+Bn-AnB

460=240+nB-55

nB=515-240

nB=275

Answered by pk3760057

0

Answer:

hmm the Answer is 275.

please mark me as BRAINLIEST...

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