What do we get on adding any two odd numbers?
 
                Answer: 
            
        An even number
- We know that if we add 1 to an even number, we get an odd number.
 Eg: 1 + 2 = 3 (Odd)
- Similarly, if we add 1 to an odd number, we get an even number.
 Eg: 1 + 3 = 4 (Even)
- Hence, odd number + odd number
 = (Even number + 1) + (Even number + 1)
 = Even number + Even number + 2
 Since, 2 is an even number, we can replace it with 'Even number' in the above sentence.
 So,
 Even number + Even number + Even number = Even number
- We can understand it better by taking a few examples :
 7 (Odd) + 5 (Odd) = 12 (Even)
 1 (Odd) + 3 (Odd) = 4 (Even)
- Hence, the sum of 2 odd numbers is an even number.
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