Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?
Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?
Look at this series: 36, 34, 30, 28, 24, ... What number should come next?
Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?
Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next?
Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next?
Look at this series: 58, 52, 46, 40, 34, ... What number should come next?
Look at this series: 3, 4, 7, 8, 11, 12, ... What number should come next?
Look at this series: 8, 22, 8, 28, 8, ... What number should come next?
Look at this series: 31, 29, 24, 22, 17, ... What number should come next?