1. 1, 9, 25, 49, ?, 121. What will come at the place of question mark ?
2. 4, 7, 12, 19, 28, ?
3. 6, 11, 21, 36, 56, ?
4. 10, 100, 200, 310, ?
5. 8, 28, 116, 584, ?
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