Counting

Practice Questions

GRE Quantitative Reasoning › Counting

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1

Quantity A: The number of positive even integers less than 1000

Quantity B: The number of positive odd integers less than 1000

2

Quantity A: The number of positive even integers less than 1000

Quantity B: The number of positive odd integers less than 1000

3

Miles is 3 years older than Ashley. Ashley is 5 years younger than Bill. How old is Ashley if together the three of their ages sum to 44?

4

Miles is 3 years older than Ashley. Ashley is 5 years younger than Bill. How old is Ashley if together the three of their ages sum to 44?

5

0 < x < y < z < 10

x, y, and z are integers.

Quantity A: –7

Quantity B: x + y – z

6

0 < x < y < z < 10

x, y, and z are integers.

Quantity A: –7

Quantity B: x + y – z

7

In a certain game, integers are called magic numbers if they are multiples of either or .

How many magic numbers are there in the game between and ?

8

In a certain game, integers are called magic numbers if they are multiples of either or .

How many magic numbers are there in the game between and ?

9

x = the total number of positive, odd 2 digit numbers less than 100

Column A

x

Column B

45

10

x = the total number of positive, odd 2 digit numbers less than 100

Column A

x

Column B

45

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