GRE Math Basics

Instructions:

• Answer 18 questions in 15 minutes.
• If you are not ready to take this test, you can study here.
• Match each statement with the correct term.
• Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. A number is divisible by 2 if it ends
Highest number minus lowest number
The difference between odd and even digits is divisible by 11
Average
In an even number


2. If n is odd - then n^2 is
Odd
Highest number minus lowest number
Even
Combination of 2 and 3


3. A number is divisible by 3 (or 9) if
The sum of the digits is divisible by 3 (or 9)
Odd
In an even number
Even


4. A number is divisible by 11 if
The last two digits are divisible by 4
The difference between odd and even digits is divisible by 11
Even
Even


5. A number is divisible by 4 if
Average
Odd
The last two digits are divisible by 4
The sum of the digits is divisible by 3 (or 9)


6. The product of two odd integers is
Combination of 2 and 3
Odd
Average
Middle Number


7. The sum of two odd integers is
Combination of 2 and 3
Average
Odd
Even


8. A number is divisible by 8 if
The sum of the digits is divisible by 3 (or 9)
The last three digits are divisible by 8
Even
Even


9. Mean
Odd
Most common
Average
Combination of 2 and 3


10. The product of an even and an odd integer is
Middle Number
Even
The last two digits are divisible by 4
The sum of the digits is divisible by 3 (or 9)


11. The rule for 6 is a
Middle Number
Odd
Even
Combination of 2 and 3


12. Median
Middle Number
Odd
Average
In an even number


13. The product of two even integers is
Most common
Middle Number
In an even number
Even


14. If n is even - then n^2 is
Average
The last three digits are divisible by 8
The difference between odd and even digits is divisible by 11
Even


15. Mode
Odd
Most common
Combination of 2 and 3
Highest number minus lowest number


16. The sum of an even integer and an odd integer is
The difference between odd and even digits is divisible by 11
Highest number minus lowest number
Even
Odd


17. The sum of two even integers is
Even
In an even number
Highest number minus lowest number
Odd


18. Range
Average
Middle Number
Highest number minus lowest number
The sum of the digits is divisible by 3 (or 9)