Bunuel wrote:
If x and y are integers, is x even?
(1) x·y is even.
(2) x=6y
(1) tells us either x is even and y is odd OR y is even and x is odd OR both are even...not sufficient
(2) x = even * y...x will always be even...sufficient
B
If x and y are integers, is x even?
(1) x·y is even.
(2) x=6y
(1) tells us either x is even and y is odd OR y is even and x is odd OR both are even...not sufficient
(2) x = even * y...x will always be even...sufficient
B
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