Math, asked by maansaab5447, 8 months ago

Let A = {x : x is positive integral multiple of 3 less than 31} and B = { x : x is prime number less than 30}, Then n(AUB) + n(AՈB) is equal to: *

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Answered by vviinniittaasshhaarr

1

Answer:

the answer is 20

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