There is a two-digit number whose digits are the same, and has got the following property: When squared, it produces - Maths - Quadratic Equations

Question

There is a two-digit number whose digits are the same, and has got
the following property: When squared, it produces a four-digit
number, whose first two digits are the same and equal to the
original?s minus one, and whose last two digits are the same and
equal to the half of the original?s Find that number

Atul Shaw · Accepted Answer