Q: How can you tell wether a number is even or odd?

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An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2.

You can tell it will be even when the number you are multiplying has a 2 4 6 8. You can tell it will be odd when the number you are multiplying has a 1 3 5 7.

If the number (count) of odd values to sum is odd, then the answer is odd.If the number (count) of odd values to sum is even, then the answer is even.

You cannot. If a number is even - other than 2 - then it is a composite number. However, if it is odd, it is not easily possible to tell whether it is prime or composite.

No, 240 is an even number. You can always tell an even number because it can be divided by 2 equally. Odd numbers such as "7" cannot.

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Go through each of the numbers, and count how many of them are odd. If you count an odd number of them, then their sum is odd. If you count an even number of them, then their sum is even.

you can tell cause odd numbers have something left over

it is a even number it ends in 0,2,4,6 or 8 when it is odd it ends in 1,3,5,7 or 9

whenever you add an even number the answer will be the same (odd/even) as the other number

An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2.

An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2.

An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 50 is an even number.

You can tell it will be even when the number you are multiplying has a 2 4 6 8. You can tell it will be odd when the number you are multiplying has a 1 3 5 7.

If the number (count) of odd values to sum is odd, then the answer is odd.If the number (count) of odd values to sum is even, then the answer is even.

You cannot. If a number is even - other than 2 - then it is a composite number. However, if it is odd, it is not easily possible to tell whether it is prime or composite.

No, 240 is an even number. You can always tell an even number because it can be divided by 2 equally. Odd numbers such as "7" cannot.