Sets A, B and C have some elements in common. If 16 elements are in both A and B, 17 Elements are in both A and C, and 18 elements are in both B and C, how many elements do all three of the sets A, B, and C have in common?
(1) Of the 16 elements that are in both A and B, 9 elements are in C.
(2) A has 25 elements, B has 30 elements and C has 35 elements.
A)
B)
C)
D)
E)
What is your opinions?
(1) Of the 16 elements that are in both A and B, 9 elements are in C.
(2) A has 25 elements, B has 30 elements and C has 35 elements.
A)
B)
C)
D)
E)
What is your opinions?
It is never late for anyone!!!
