1. If 2x=3y=4z=20, then 12xyz=

A 16,000
B 8,000 
C 4,000 
D 800 
E 10

2. 0<x<y<1

 Quantity A Quantity B 1-y y-x

3. st=\sqrt { 10 }

 Quantity A Quantity B { s }^{ 2 } { t }^{ 2 }

4. x <1
x≠0

 Quantity A Quantity B { x }^{ 2 }+1 { x }^{ 3 }+1

5. If \frac{ 2y-3 }{ y }=\frac{ 3-y }{ 2 } which of the following could be the value of y ?

(A) 4
(B) 1
(C) -1
(D) -3
(E) -5

6. 2u+v=14
uv=0

 Quantity A Quantity B u v

7. A system of equations is as shown below

x + l = 6
x-m = 5
x+p = 4
x-q = 3

What is the value of  l + m + p + q ?

(A) 2
(B) 3
(C) 4
(D) 5
(E) 6

8.  If x + y = 750, then which one of the following additional details will determine the value of x ?

(A) x + 2y = d
(B) 2x + 4y = 2d
(C) 2x + 2y = 1500
(D) 3x = 2250-3y
(E) 2x + y = 15

9.

 Quantity A Quantity B The average of three numbers if the greatest is 20 The average of three numbers if the greatest is 2

10. y > 0

 Quantity A Quantity B { y }^{ 3 }+{ y }^{ 4 } { y }^{ 4 }-2{ y }^{ 2 }

11. If a and b are positive integers, and x = 2*3*7*a, and y = 2*2*8*b, and the values of both x and y lie between 120 and 130 (not including the two), then a-b =

(A) -2
(B) -1
(C) 0
(D) 1
(E) 2

12. What is the maximum value of m such that { 7 }^{ m } divides into 14! evenly?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

13. How many positive integers less than 500 can be formed using the numbers 1, 2, 3, and 5 for the digits?

(A) 48
(B) 52
(C) 66
(D) 68
(E) 84

14. If { x+3 }^{ 2 }=225, which of the following could be the value of x – 1?

(A) 13
(B) 12
(C) -12
(D) -16
(E) -19

15. 1200x + 6000 = 13200
12y + 60 = 132

 Quantity A Quantity B x y

1 C
2 D
3 C
4 A
5 D
6 D
7 A
8 E
9 D
10 A
11 B
12 A
13 D
14 E
15 C