Question

The sum of all the whole numbers from 1 to 45 is subtracted from the sum of all the whole numbers from 1 to 50 as shown: (1 + 2 +....+ 50) - (1 + 2 +.....+ 45) What will be the result?

Answer 1

Answer:

(1+2+...+50) includes all of the numbers added until 45, meaning that our result is 46+47+48+49+50 = 240

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