There is no such combination to form an even no. 20 by combing 5 odd nos. as odd+odd=even even +even=evenodd+even=odd even+odd=odd adding 5 odd like
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Oh, dude, you want to play the math game, huh? Alright, let's see... 1 + 3 + 5 + 7 + 4 = 20. There you go, five odd numbers adding up to your magical 20. Now go impress your friends with your newfound odd number knowledge.
Oh, what a happy little question! Let's see, we can have 1 + 3 + 5 + 7 + 4, which equals 20. Remember, there are no mistakes, just happy little accidents in math!
The last digit in the product of the first 20 odd natural numbers can be determined by looking at the pattern of the units digit in the multiplication of consecutive odd numbers. The units digit of the product of consecutive odd numbers alternates between 1 and 5. Since there are 10 odd numbers between 1 and 19, and 20 is also an odd number, the last digit in the product of the first 20 odd natural numbers is 5.
There aren't any such numbers. 9 and 20 are 11 apart but cannot be manipulated to give the required solution.
The numbers are: 80 and -20
1 and 5 are the factors of 20 which are odd.
-25