Find the two digit number which is a square number and also a cubic number.

Find the greatest four digit number which is a perfect square

Find the digit in units place of the number 157^(2)

Find the digit in units place of the number 206^(3)

Find the digit in units place of the number 75^(2)

The sum of a two digit number and the number obtained by reversing the digit is 55. If the digit of the number differ by 3, find the number. How many such numbers are there?

The form of a two - digit number?

Compare: Find the ratio of number of blue squares to the number of red squares.