| Pattern | Next number | Explanation |
| 2,1,4,3,6,5,8,what comes next? | |
| 7,5,3,6,9,7,5,8,11,what comes next? | |
| 128,64,32,16,what comes next? | |
| 9,4,7,2,5,what comes next? | |
| 20,40,30,60,50,what comes next? | |
| 1,3,7,15,31,63,127,what comes next? | |
| 1,1,2,3,5,8,13,21,34,what comes next? | |
| 6,11,21,41,81,161,what comes next? | |
| 1,2,3,5,7,11,13,what comes next? | |
| 1,3,8,19,42,what comes next? | |
| 1,3,8,19,42,what comes next?(It's a different answer) | |
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