Which of the following is an integer but not a whole number 0, -2,7,783
The only option that is an integer but not a whole number is -2. Whole numbers include all positive integers (including 0) and sometimes include negative integers as well, depending on the definition.
An integer is a whole number that can also be negative or zero. A whole number, on the other hand, is a positive number or zero without any fractions or decimals.
So, out of the given options, the number -2 is an integer but not a whole number.