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    l  repeating pattern

                           Rule: A triangle is followed by a square in the pattern.
                        l  Increasing pattern in number

                                            A    A  A    A  A  A    A  A  A  A    A  A  A  A  A
                           Rule: One ‘A’ is added each time.

                        l  Increasing pattern in number as well as in size

                           Rule: One more circle is added each time and the new circle is bigger than the
                           previous ones.

                        l  Increasing pattern in size

                           Rule: The size of a circle is increased each time.
                        l  Decreasing pattern in number

                           Rule: One dot (l) is decreased each time.
                        l  Decreasing pattern in size

                           Rule: The size of a square is reduced each time.

                        l  number patterns
                           The above rules can be applied for number patterns also.

                           examples:
                           a.  2, 4, 6, 8, 10, 12                                       b.  5, 8, 11, 14, 17, 20
                           c.  50, 45, 40, 35, 30, 25                                   d.  10, 20, 30, 40, 50, 60

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                                                                                         Symmetry and Patterns

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