Question

If A and B are set |A| = 15 |B| = 10 & |A∩B| =10 then |AUB|=……….. * 2 points a) 35 b) 25 c) 15 d) none of these​

Answer 1

Answer:

Answer is option C) 15 because 15 + 10 -10 = 15

Answer 2

Answer:

C)15

Step-by-step explanation:

(AUB)=A+B-,(A∩B)

so

(AUB)=15+10-10

=25-10

(AUB)=15