How many Squares are there in the given figure.

Column x Rows

(there are total 6 column and rows) so,

1 x1 = 1

2 x2 = 4

3 x3 = 9

4 x4 = 16

5 x5 = 25

6 x6 = 36

now adding all them we will get; "91" number as total no. of squares.