GRE Math Practice
Try a few of these tricky questions to gauge where you stand on the GRE Math section.
There will be more practice questions posted on this page so keep revisiting!
1. A rectangular airport runway is x feet long and y feet wide. If its
length is to be made 100 feet longer, by how many square feet will its area
be increased?
(A) xy + 100y (B) xy + 100 (C) 100 ly (D) 100l (E) 100 y
2. The probability of A’,s winning a hockey match is 3/2 times the
probability of B’,s winning a cricket match. The probability of C’,s winning a
race is twice the probability of B’,s winning the cricket match. What is the
maximum probability of A’,s winning the hockey match?
(A) ¼, (B) ½, (C) 2/3 (D)¾, (E) 1
3. In a certain city, the number of commuters decreased 15 per cent
from June to July and decreased 10 per cent from July to August. By
approximately what per cent would the number of commuters have to
increase from August to September for the number of commuters in
September to be equal to the number of commuters in June?
(A) 80% (B) 77% (C) 75% (D) 31% (E) 24%
4. If the distance required for an automobile to stop varies directly as
the square of its speed, what is the distance required for an automobile
driven at 60 km/hr to stop if it takes 10 meters to stop the automobile
moving at 20 km/hr.
(A) 30m (B) 36m (C) 60m (D) 90m (E) 120m
5. Technological advances in manufacturing radios reduced the
manufacturing cost of parts by 50 per cent and the cost of labour by 60 per
cent. If labour originally accounted for 3 times as much of the
manufacturing cost as parts and it is assumed that total cost consisted only
8. An 8 gram object is attached to a balance beam at a point 22 cm.
from the centre of the beam. If the beam is to remain horizontally balanced
how many grams must be attached to the other end of the beam 10 cms
away from the centre?
(A) 27.5 (B) 17.6 (C) 3.6 (D) 1.8 (E) 0.06
9. X can clean the garage in half the time it takes B. If they cleaned it
together in 3 hours, how many hours would it take form A to clean the
garage all by himself?
(A) 1 hour (B) 1 hour 20 minutes (C) 1 ½, hour (D) 2
hours (E) 3 hours
11. If 13 + x3 + 83 = 93, then x = ?
(A) -1 (B) 0 (C) 1 (D) 6 (E) 9
12. At a certain firm 81 per cent of the investments will mature in more
than 1 year and 27 per cent of the investments will mature in more than 2
years. What per cent of the investments of the firm will mature in more than
1 year but nor in not more than 2 years?
(A) 19% (B) 22% (C) 33% (D) 54% (E) 73%
13. If x is the greatest four- digit number such that the sum of the digits
is 23 and no two digit are the same, which of the following is NOT a digit of
(A) 9 (B) 8 (C) 7 (D) 6 (E) 0
14. On a 200 question test the total score is the number of questions
correctly minus 1/5th of the total number of questions answered incorrectly
or left unanswered. What is the minimum number of questions that must be
answered correctly to receive a total score of at least 100?
(A) 75 (B) 116 (C) 117 (D) 125 (E) 175
15. The averages speed of an automobile for the first half of a 100 km.
trip was 60 km/hr and from the second half was 90 km/hr. What was the
average speed in km/hr for the entire distance?
(A) 68 (B) 72 (C) 75 (D) 78 (E) 80
16. On a certain day, an employee worked from 8:02 a.m. until 4:27 p.
m. and took off ¾, hour for lunch. If the employee did not take any other
breaks, how many hours did the employee work for?
(A) 4.4 (B) 7.15 (C) 7.25 (D) 7.65 (E) 8.4
17. In stack A, invoices are assigned consecutive numbers, beginning
with 1. In stack B, invoices are assigned consecutive odd numbers,
beginning with 1. In stack C, invoices are assigned consecutive multiples of
3. If there are 25 invoices in each of these stacks, how many assigned
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