Question

what is difference between the sum of odd and even number from 1 to 80?​

Answer 1

Answer:

1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41, 43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79 is odd numbers

2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80 is even numbers