19. Does x + y = xy?
(1) x is neither a positive integer nor a negative integer
(2) y is neither a positive integer nor a negative integer
Wow, a super tricky question.
I also picked C
x and y don't have to be integers!
Thats the human mind. If you say neither a +ve integer nor a -ve integer then most of people will choose x and y as integers.
SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008