GRE Study Set 2025 Latest Update
Completely solved
Digits - ANSWER the numbers that make up other numbers; there are 10 digits: 0, 1, 2,
3, 4, 5, 6, 7, 8, 9 and every number is made up of one or more digits.
Numbers - ANSWER is made up of either a digit or a collection of digits.
Integers - ANSWER numbers that have no fractional or decimal part, -6, -5, -4, -3, -2, -
1, 0, 1, 2, 3, 4, 5, 6
Distinct digits, numbers and integers - ANSWER 10,897 has 5 distinct digits
10,899 has 4 distinct digits
Zero - ANSWER 0 is even
0 plus any other number is equal to the other number
0 multiplied by any other number is 0
You can not divide by 0
Odd and Even Integers - ANSWER even + even = even
odd+ odd = even
even + odd = odd
even x even = even
odd x odd = odd
even x odd = even
Consecutive Integers - ANSWER integers listed in order of value w/ out an integer
missing
in between them
Absolute Value - ANSWER number is equal to its distance from 0 on the number line
Divisibility - ANSWER integer is divisible by its factors
Integer divisible by 2 - ANSWER if its units digit is divisible by 2
if the integer is an even number
Integer divisible by 3 - ANSWER if the sum of its digits is divisible by 3
ex. 2,145 is divisible by 3 b/c (2+1+4+5=12) 12 is divisible by 3
integer divisible by 4 - ANSWER if it's last two digits form a number divisible by 4
ex. 712 is divisible by 4 b/c 12 is divisible by 4
Integer divisible by 5 - ANSWER if its units digit is either 0 or 5
Completely solved
Digits - ANSWER the numbers that make up other numbers; there are 10 digits: 0, 1, 2,
3, 4, 5, 6, 7, 8, 9 and every number is made up of one or more digits.
Numbers - ANSWER is made up of either a digit or a collection of digits.
Integers - ANSWER numbers that have no fractional or decimal part, -6, -5, -4, -3, -2, -
1, 0, 1, 2, 3, 4, 5, 6
Distinct digits, numbers and integers - ANSWER 10,897 has 5 distinct digits
10,899 has 4 distinct digits
Zero - ANSWER 0 is even
0 plus any other number is equal to the other number
0 multiplied by any other number is 0
You can not divide by 0
Odd and Even Integers - ANSWER even + even = even
odd+ odd = even
even + odd = odd
even x even = even
odd x odd = odd
even x odd = even
Consecutive Integers - ANSWER integers listed in order of value w/ out an integer
missing
in between them
Absolute Value - ANSWER number is equal to its distance from 0 on the number line
Divisibility - ANSWER integer is divisible by its factors
Integer divisible by 2 - ANSWER if its units digit is divisible by 2
if the integer is an even number
Integer divisible by 3 - ANSWER if the sum of its digits is divisible by 3
ex. 2,145 is divisible by 3 b/c (2+1+4+5=12) 12 is divisible by 3
integer divisible by 4 - ANSWER if it's last two digits form a number divisible by 4
ex. 712 is divisible by 4 b/c 12 is divisible by 4
Integer divisible by 5 - ANSWER if its units digit is either 0 or 5
