Find whether the square of the following numbers are even or odd : 17779.

Find whether the square of the following numbers are even or odd :431.

Find whether the square of the following numbers are even or odd : 99998.

Find whether the square of the following numbers are even or odd : 2826.

Find whether the square of the following numbers are even or odd : 8204.

Find the square root of the following. numbers by division method:1089

Find the square root of the following. numbers by division method:7744.

By subtraction of successive odd numbers find whether the following numbers are perfect squares or not : 121.

Find the square root of the following. numbers by division method: 9025.

By subtraction of successive odd numbers find whether the following numbers are perfect squares or not :90.

Find the square root of the following decimal numbers :18.49