GRE Diagnostic Test - Math
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Verbal Test
Logic Test
Test Questions
1. If x and y are both prime and greater than 2, then which of the following CANNOT be a divisor of xy?
(A) 2
(B) 3
(C) 11
(D) 15
(E) 17
2.
| Column A |
x and y are integers greater than 1. |
Column B |
| 2(x + y) |
|
2xy |
3. In the figure above, y =
(A) 75
(B) 76
(C) 77
(D) 78
(E) 79
4. If x = 3y = 4z, which of the following must equal 6x?
I. 18y
II. 3y + 20z
III. (4y + 10z)/3
(A) I only
(B) II only
(C) III only
(D) I and II only
(E) I and III only
5. The average of four numbers is 20. If one of the numbers is removed, the average of the remaining numbers is 15. What number was removed?
(A) 10
(B) 15
(C) 30
(D) 35
(E) 45
6. The ratio of two numbers is 10 and their difference is 18. What is the value of the smaller number?
(A) 2
(B) 5
(C) 10
(D) 21
(E) 27
7. If 3y + 5 = 7x, then 21y - 49x =
(A) -40
(B) -35
(C) -10
(D) 0
(E) 15
8. Seven years ago, Scott was 3 times as old as Kathy was at that time. If Scott is now 5 years older than Kathy, how old is Scott?
(A) 12 1/2
(B) 13
(C) 13 1/2
(D) 14
(E) 14 1/2
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