# GRE Maths Problem Solving

### Description

www.majortests.com/gre/problem_solving
Quiz by scottpcoen, updated more than 1 year ago
 Created by scottpcoen about 10 years ago
308
7

## Resource summary

### Question 1

Question
3x + y = 19 , and x + 3y = 1. Find the value of 2x + 2y
• 20
• 18
• 11
• 10
• 5

### Question 2

Question
The price of a cycle is reduced by 25 per cent. The new price is reduced by a further 20 per cent. The two reductions together are equal to a single reduction of
• 45%
• 40%
• 35%
• 32.5%
• 30%

### Question 3

Question
x and y are integers x + y < 11 , and x > 6 What is the smallest possible value of x - y ?
• 1
• 2
• 4
• -2
• -4

### Question 4

Question
x and y are integers x + y < 11 , and x > 6 What is the smallest possible value of x - y ?
• 1
• 2
• 4
• -2
• -4

### Question 5

Question
If x\(^5\)y\(^4\)z\(^2\) <0 , which of the following must be true? Select ALL such statements.
• xy < 0
• yz < 0
• xz < 0
• x < 0
• x\(^5\) < 0

### Question 6

Question
In a certain village, m litres of water are required per household per month. At this rate, if there are n households in the village, how long (in months) will p litres of water last?
• p /mn
• mn / p
• mp / n
• np / m
• npm

### Question 7

Question
What digit appears in the units place in the number obtained when 2\(^{320}\) is multiplied out?
• 0
• 2
• 4
• 6
• 8

### Question 8

Question
Helpers are needed to prepare for the fete. Each helper can make either 2 large cakes or 35 small cakes per hour. The kitchen is available for 3 hours and 20 large cakes and 700 small cakes are needed. How many helpers are required?
• 10
• 15
• 20
• 25
• 30

### Question 9

Question
Helpers are needed to prepare for the fete. Each helper can make either 2 large cakes or 35 small cakes per hour. The kitchen is available for 3 hours and 20 large cakes and 700 small cakes are needed. How many helpers are required?
• 10
• 15
• 20
• 25
• 30

### Question 10

Question
Jo's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 to 2 and the ratio of Indian to British stamps is 5 to 1, what is the ratio of US to British stamps?
• 5 : 1
• 10 : 5
• 15 : 2
• 20 : 2
• 25 : 2

### Question 11

Question
Two sets of 4 consecutive positive integers have exactly one integer in common. The sum of the integers in the set with greater numbers is how much greater than the sum of the integers in the other set?
• 4
• 7
• 8
• 12
• it cannot be determined from the information given.

### Question 12

Question
After being dropped a certain ball always bounces back to 2/5 of the height of its previous bounce. After the first bounce it reaches a height of 125 inches. How high (in inches) will it reach after its fourth bounce?
• 20
• 15
• 8
• 5
• 3.2

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