Look at this series: 72, 76, 73, 77, 74, __, 75, ... What number should fill the blank?Look at this series: 72, 76, 73, 77, 74, __, 75, ... What number should fill the blank?

Look at this series: 15, __, 27, 27, 39, 39, ... What number should fill the blank?Look at this series: 15, __, 27, 27, 39, 39, ... What number should fill the blank?

Look at this series: 83, 73, 93, 63, __, 93, 43, ... What number should fill the blank?Look at this series: 83, 73, 93, 63, __, 93, 43, ... What number should fill the blank?

Look at this series: (1/9), (1/3), 1, ____ , 9, ... What number should fill the blank?Look at this series: (1/9), (1/3), 1, ____ , 9, ... What number should fill the blank?

Look at this series: VI, 10, V, 11, __, 12, III, ... What number should fill the blank?Look at this series: VI, 10, V, 11, __, 12, III, ... What number should fill the blank?