Positive Integers

Topics: Integer, Negative and non-negative numbers, Elementary arithmetic Pages: 62 (11455 words) Published: January 26, 2013
Practice Test #1 Data Sufficiency
(218 Questions)
1.
86-!-item-!-187;#058&000002
A garden store purchased a number of shovels and a number of rakes. If the cost of each shovel was \$14 and the cost of each rake was \$9, what was the total cost of the shovels and rakes purchased by the store? (1)

The ratio of the number of shovels to the number of rakes purchased by the store was 2 to 3.

(2)

The total number of shovels and rakes purchased by the store was 50.

2.
142-!-item-!-187;#058&000140
Of the students who eat in a certain cafeteria, each student either likes or dislikes lima bean s and each student either likes or dislikes brussels sprouts. Of these students,

2
3

dislike lima beans; and of those who dislike lima beans,

brussels sprouts. How many of the students like brussels sprouts but dislike lima beans? (1) 120 students eat in the cafeteria.
(2) 40 of the students like lima beans.
3.
196-!-item-!-187;#058&000141
How many different prime numbers are factors of the positive integer n ? (1) Four different prime numbers are factors of 2n.
(2) Four different prime numbers are factors of n2.
4.
250-!-item-!-187;#058&000160
Is the product of a certain pair of integers even?
(1)

The sum of the integers is odd.

(2) One of the integers is even and the other is odd.
5.
304-!-item-!-187;#058&000163
If k is an integer and 2 < k < 8, what is the value of k ?
(1) k is a factor of 30.
(2) k is a factor of 12.
6.

363-!-item-!-187;#058&000183

On the number line above, is the product of w, x, y, and z negative? (1) z is positive.
(2) The product of w and x is positive.
7.
509-!-item-!-187;#058&000355
If y and z are integers, is y(z + 1) odd?
(1) y is odd
(2) z is even.
8.
563-!-item-!-187;#058&000364
If n and m are positive integers, what is the remainder when 3^(4n + 2 + m) is divided by 10 ?

1

3
5

also dislike

(1) n = 2
(2) m = 1
9.
617-!-item-!-187;#058&000483
If x is a positive integer, is x < 16 ?
(1) x is less than the average (arithmetic mean) of the first ten positive integers. (2) x is the square of an integer.
10.
719-!-item-!-187;#058&000515
Of the 800 students at a certain college, 250 students live on campus and are more than 20 years old. How many of the 800 students live on campus and are 20 years old or less?
(1) 640 students at the college are more than 20 years old.
(2) 60 students at the college are 20 years old or less and live off campus. 11.
959-!-item-!-187;#058&000583
If p is a positive odd integer, what is the remainder when p is divided by 4 ? (1) When p is divided by 8, the remainder is 5.
(2) p is the sum of the squares of two positive integers.
12.
1013-!-item-!-187;#058&000609
Of the 25 cars sold at a certain dealership yesterday, some had automatic transmission and some had antilock brakes. How many of the cars had automatic transmission but not antilock brakes? (1) All of the cars that had antilock brakes also had automatic transmission. (2) 2 of the cars had neither automatic transmission nor antilock brakes. 13.

1067-!-item-!-187;#058&000618
Is x to the right of -5 on the number line?
(1) x is to the right of -7 on the number line.
(2) x is between -4 and -3 on the number line.
14.
1121-!-item-!-187;#058&000619
Is y between -2 and 1 on the number line?
(1) y is to the right of -1 on the number line.
(2) y is to the left of 2 on the number line.
15.
1175-!-item-!-187;#058&000621
Is r to the right of -6 on the number line?
(1) r is between -4 and -1 on the number line.
(2) r is between -3 and 1 on the number line.
16.
1275-!-item-!-187;#058&000656
Lines n and p lie in the xy-plane. Is the slope of line n less than the slope of line p ? (1) Lines n and p intersect at the point (5,1).

2

(2)

The y-intercept of line n is greater than the y-intercept of line p.

17.
1329-!-item-!-187;#058&000662
Six countries in a certain region sent a total of 75 representatives to an international...