While solving a mathematical problem Samidha squared a given number and then subtracted 25 from it r...........

Quantitative Aptitude ( CCS) Number System

While solving a mathematical problem, Samidha squared a given number and then subtracted 25 from it rather than doing what was required i.e. first subtracted 25 from the number and then squaring it. But she got the right answer. What was the given number?

cannot be determined

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Explanation:

Let the number of x,

according to the question,

straight x squared minus 25 space equals space left parenthesis straight x minus 25 right parenthesis squared
space space rightwards double arrow space space space straight x squared minus 25 space equals space straight x squared minus 50 straight x plus 625
space space space rightwards double arrow space space 50 straight x space equals space 625 space plus space 25 space equals space 650