When a n 'n' digit number is squared then the number of digit in the square thus obtained is ______.

The number of digits in the square root of 368645 are _______

the number of digits in the square root of 625686734489 is

Let's find the least square number of 4 digits.

When a two digit number is subtracted from another two digits number consisting of the same digits in reverse order, then the resultant value we get is equal to the sum of the digits of that number. The square of sum of digits of that number can be :

When a two digit number is subtracted from the other two digit number which consists of the same digits but in reverse order, then the difference comes out to be a two digit perfect square. The number is :