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Q: When you add 4 even numbers will the sum be even or odd and why?

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No 5 odd numbers add up to 100. The sum of any two odd numbers is even. The sum of any two even numbers is even. So the sum of any 4 odd numbers must be even. Take that and add an odd number and the sum must be odd. Therefore, the sum of any 5 odd numbers must be odd. 100 is even. In conclusion: The sum of any odd number of odd numbers is odd.

No. No matter what you use, the sum of an odd number and an even number will always be odd.

The sum of two odd numbers is an even number.

Two odd numbers always sum to an even number. Always. Two even numbers always sum to an even number, and an odd number and an even number always sum to an odd number.

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no, it can't be. that's because only an even and even numbers or odd and odd numbers add up to be even. so no it cannot be even.

Sum of two odd numbers are always even, and the sum of 2 even numbers are also even. The sum of an odd number & an even number are always odd.

The sum of two odd numbers is always even; the sum of three odd numbers is always odd; the sum of four odd numbers is always even; the sum of five odd numbers is always odd; etc

The sum of two odd numbers is always even.

The sum of two odd numbers never makes an odd number. Only the sum of an odd number and an even number makes an odd number.

When you add an odd number to an odd number, you get an even number. When you add an odd number to that even number, the sum is always odd. Don't believe it? Try a few examples yourself.

The sum of two odd numbers or two even numbers is an even number. The sum of an odd number and an even number is an odd number.

The sum turns out even.

23 is odd. A sum of two even numbers never makes an odd number. Likewise, no sum of two odd numbers makes an odd number. 23 can only be made by adding an odd and an even number.

There is no answer. Two odd numbers add up to an even number, and adding an odd number to an even number produces an odd number. Therefore three odd numbers cannot add up to an even number.

The sum of two odd numbers MUST be even. So there is no answer to the question.

No, the sum of three odd numbers will always be odd.

Any two odd numbers will have an odd product and an even sum.

No sum of any even numbers can add up to an odd number.

The sum of an odd and even number is always odd because there's always one left over. Think of any odd number as being any even number plus one. If you add two even numbers, the answer is always even. If you add an even and an odd (plus one), the answer is always odd.

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The sum of two odd numbers is always even.