Question

Let A, B, C be sets such that ABOC- and the number of elements in each of A AB, BAC, CAA equals

to 100. Then find the number of elements in AUBUC equals

(A) 150

(B) 300

(C) 230

(D) 210

(E) 180​

Answer 1

Answer:

Let A, B, C be sets such that ABOC- and the number of elements in each of A AB, BAC, CAA equals

to 100. Then find the number of elements in AUBUC equals

(A) 150

(B) 300

(C) 230

(D) 210

(E) 180