1. tell : told :: let : ___
2. What number comes after 1/9 in the sequence 1/81, 1/27, 1/9, ___?
3. What letter comes after P in the sequence A, D, I, P?
4. What number comes after 30 in the sequence 1, 5, 14, 30?
5. What completes the following pattern: CX, FU, IR, ___?
6. 2A1, 3Z8, 4B27, 5Y64, ____​