Question

Qns. 17
If n(A) = 36, n(B) = 10, n(AUB) = 40, and n(A') = 27 then, n(UI) and
n(A n B) is
(a) 64,6
(b) 63,6
(c) 86,9
(d) 63,9
А A
a
B
b
С C
C с
D
d​

Answer 1

Answer:

Greetings,

The answer for your question is option B

Step-by-step explanation:

The universal set can be defined as a set the contains all the elements present in one group of elements. therefore

p(U) = p(A) + p(A')

= 36 + 27 = 63

we know that

p(A n B) = p(A)+ p(B)- p(A U B) = 36 + 10 - 40 = 6