Answer the following questions by selecting the correct/most appropriate option.

A whole number is added to 100 and the some number is subtracted from 100. The sum of the two resulting numbers so obtained is:

Let the whole number be x.

First result = 100 + x

Second result = 100 − x

Required sum = (100 + x) + (100 − x)

Solution:
Adding the two results:
100 + x + 100 − x = 200