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Consider the numbers from 1-500 inclusive what is the difference between the sum of all of the even numbers and the sum of all the odd numbers?
501
What is the average of 124 148 207 21?
To find the average of a set of numbers, you add all the numbers together and then divide by the total number of values. In this case, the sum of 124, 148, 207, and 21 is 500. Since there are 4 numbers in the set, you divide 500 by 4 to get an average of 125.
What two four-digit numbers have a sum of 8000 and a difference of 500?
Let's denote the two four-digit numbers as ABCD and EFGH, where A, B, C, D, E, F, G, H are digits. The sum of the two numbers is 8000, so we have 1000A + 100B + 10C + D + 1000E + 100F + 10G + H = 8000. The difference between the two numbers is 500, so we have 1000A + 100B + 10C + D - (1000E + 100F + 10G + H) = 500. By solving these two equations simultaneously, we find the two numbers are 4500 and 4000.
What is the sum of the first 500 couting numbers?
The sum of the first 500 counting numbers (1-500) is 125,001.
How many digits are there in the numbers 1-500?
501
