Series, Coding-Decoding & Direction Sense

Next: 2, 6, 12, 20, 30, ?

Next: 3, 9, 27, 81, ?

Missing: 7, 11, 18, 29, 47, ?

Next: 1, 4, 9, 16, 25, ?

Next: B, D, G, K, P, ?

Series: 5, 11, 23, 47, ?

Odd one out: 64, 125, 216, 243, 343

Missing: AZ, BY, CX, ?

Series: 121, 144, 169, 196, ?

Next: 1, 1, 2, 3, 5, 8, ?