Representing whole numbers by squares and rectangles

Representing whole numbers by triangles

Representing whole numbers by line segments

Find the total number of squares and total number of rectangles in the following figure. The main figure itself is a square.

In the given diagram, circle represents Professionals, square represents Dancers, triangle represents Musicians and rectangle Europeans. Different region in the diagram are numbered 1 to 11 . Who among the following is neither a Dancer nor a Musician but is professional and not a European?

Find the number of rectangles excluding squares from a rectangle of size 96.

Find the ratio of number of circles and number of squares inside the following rectangle:

Find the total number of squares and total number of rectangles in the following figure. The smallest unit (or cell) in this figure is a square.