Does set S contain any even numbers?

(1) There are no prime numbers in S.
(2) There are no multiples of 4 in S.

If x and y are integers, is the value of x(y + 1) even?

(1) x and y are prime numbers.
(2) y > 7

If x and y are greater than 0, is x = 1 ?

(1) ~$\frac{x}{y}$~ = 1
(2) xy = 1

One member of a committee of 5 men and 8 women resigned and was not replaced. What fraction of the remaining members were men?

(1) ~$\frac{7}{12}$~ of the remaining members were women.
(2) The member who resigned was a woman.

Is ~$\frac{1}{p}> \frac{r}{r^{2}+2}$~

(1) p = r
(2) r > 0

Is the integer n odd?

(1) n is divisible by 3.
(2) 2n is divisible by twice as many positive integers as n.

If -2x > 3y, is x negative?

(1) y > 0
/>(2) 2x + 5y - 20 = 0

Set S consists of five consecutive integers, and set T consists of seven consecutive integers. Is the median of the numbers in set S equal to the median of the numbers in set T ?

(1) The median of the numbers in set S is 0.
(2) The sum of the numbers in set S is equal to the sum of the numbers in set T.

Are the two nonzero integers x and y on opposite sides of 0 on the number line?

(1) The sum of x and y is 0.
(2) The product of x and y is less than 0.

Store S sold a total of 90 copies of a certain book during the seven days of last week, and it sold different numbers of copies on any two of the days. If for the seven days Store S sold the greatest number of copies on Saturday and the second greatest number of copies on Friday, did Store S sell more than 11 copies on Friday?

(1) Last week Store S sold 8 copies of the book on Thursday.
(2) Last week Store S sold 38 copies of the book on Saturday.