Question

A whole number is added to 25 and the same number is subtracted from 25. The sum of the resulting numbers is(A) 0 (B) 25 (C) 50 (D) 75The answer is c 50

Answer 1

let the number be x
(25+x) + (25-x)
25 + x + 25 - x
50 (x is cancelled)
so the sum will be 50

Answer 2

Solution:Let x be the whole  number

When x is added to 25

Then, we get

$x+25$

When x is subtracted from 25

Then, we get

$25-x$

To find:

Value of

$(x+25)+(25-x)$

According to question

$x+25+25-x$

$=25+25$

$=50$

Option C is true.