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                    PUZZLE 516
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              We seek order and pattern in all things
                   and often adjust our paradigm.

               What is the next number in this set?

                 4, 9, 25, 49, 121, 169, ___

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                    PUZZLE 517
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              We seek order and pattern in all things
                   and often adjust our paradigm.

               What is the next number in this set?

                 1 1 4 8 9 27 16 64 25 125, ___, ___

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                    PUZZLE 518
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              We seek order and pattern in all things
                   and often adjust our paradigm.

            What is the next number in this series?

                 3, 3, 3, 5, 15, 19, 95, 101, ___ 

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                    PUZZLE 519
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              We seek order and pattern in all things
                   and often adjust our paradigm.

         What is the missing letter in this closed set? 

                  R, E, R, O, L, P, X, ____ 

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                    PUZZLE 520
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              We seek order and pattern in all things
                   and often adjust our paradigm.

            What is the next number in this series?

            120, 123, 129, 141, 147, 159, 174, ____ 

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