Reasoning

Find the next number: 11, 22, 44, 88, 176, ?

Find the next letter: A, C, E, G, I, ?

Find the next letter: B, E, H, K, N, ?

Find the next letter: C, A, Y, W, U, ?

Find the next letter: D, H, L, P, T, ?

Find the next letter: E, J, O, T, Y, ?

Find the next letter: F, H, J, L, N, ?

Find the next letter: G, J, M, P, S, ?

Find the next letter: H, F, D, B, Z, ?

Find the next letter: I, M, Q, U, Y, ?

Find the next letter: J, O, T, Y, D, ?

If each letter of CAT is shifted 1 place(s) forward, how is it coded?

If FQI is obtained by shifting each letter 2 place(s) forward, what is the original word?

If each letter of PEN is shifted 3 place(s) forward, how is it coded?

If FSSO is obtained by shifting each letter 4 place(s) forward, what is the original word?

If each letter of MANGO is shifted 1 place(s) forward, how is it coded?

If KPFKC is obtained by shifting each letter 2 place(s) forward, what is the original word?

If each letter of TABLE is shifted 3 place(s) forward, how is it coded?

If GLEMV is obtained by shifting each letter 4 place(s) forward, what is the original word?

If each letter of HOUSE is shifted 1 place(s) forward, how is it coded?

If VTCKP is obtained by shifting each letter 2 place(s) forward, what is the original word?

If each letter of CAT is shifted 3 place(s) forward, how is it coded?

If HSK is obtained by shifting each letter 4 place(s) forward, what is the original word?

If each letter of PEN is shifted 1 place(s) forward, how is it coded?

If DQQM is obtained by shifting each letter 2 place(s) forward, what is the original word?