8000, 1600, 320, 64, 12.8?

More Questions from Number Series

• 6, 9, 15 27, 51,?
• 7, 8, 18,?, 232, 1165
• 3, 5, 13, 43, 176, 891, 5353
• 6, 7, 16, 41, 90, 154, 292
• 5, 7, 16, 57, 244, 1245, 7506
• 2, 11, 38, 197, ? , 1170, 8227, 65806
• 7, 9, 16, 25, 41, ?, 107, 173
• 16, 4, 2, 1.5, ?, 1.875
• 4 , 2 , ?, 7.5, 26.25, 118.125
• 16, ?, 21, 30, 46, 71, 107

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