Did one of the 3 members of a certain team sell at least 2 raffle tickets yesterday?

(1) The 3 members sold a total of 6 raffle tickets yesterday.
(2) No 2 of the members sold the same number of raffle tickets yesterday.

Jason's salary and Karen's salary were each p percent greater in 1998 than in 1995. What is the value of p ?

(1) In 1995 Karen's salary was $2,000 greater than Jason's.
(2) In 1998 Karen's salary was $2,440 greater than Jason's.

How many odd integers are greater than the integer x and less than the integer y ?

(1) There are 12 even integers greater than x and less than y.
(2) There are 24 integers greater than x and less than y.

What is the value of h ?

(1) h² = 36
(2) h² + 12h = -36

If x and y are positive integers, what is the value of x + y ?

(1) 2^x3^y = 72

(2) 2^x2^y = 32

The attendees at a certain convention purchased a total of 15,000 books. How many of these attendees were female?

(1) There was a total of 4,000 attendees at the convention.
(2) The male attendees purchased an average (arithmetic mean) of 3 books each, and the female attendees purchased an average of 5 books each.

Of the 75 houses in a certain community, 48 have a patio. How many of the houses in the community have a swimming pool?

(1) 38 of the houses in the community have a patio but do not have a swimming pool.
(2) The number of houses in the community that have a patio and a swimming pool is equal to the number of houses in the community that have neither a swimming pool nor a patio.

If the product of the three digits of the positive integer k is 14, what is the value of k ?

(1) k is an odd integer.
(2) k < 700

If the operation △ is one of the four arithmetic operations addition, subtraction, multiplication, and division, is (6 △ 2) △ 4 = 6 △ (2 △ 4) ?

(1) 3 △ 2 > 3
(2) 3 △ 1 = 3

Is p + pz = p ?

(1) p = 0
(2) z = 0