Sets — MATHS STD 7 — Question

Draw a quadrilateral with more than four lines of symmetry. In case, if possible, represent the line/ lines of symmetry by dotted lines. Also, write the special name of the quadrilateral drawn.

Write five consecutive even integers succeeding -21.

By drawing a freehand sketch of the following, draw the line (s) of symmetry, if any:
a rectangle

The set, given below, state whether it is finite set, infinite set or the null set:
{even numbers not divisible by 2}