What letter should replace the question mark in this sequence? V ; S ; N ; K ; ? ; C

Question

Can you replace the question mark with the correct letter?
6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

Answer 1

V - 3 place = S
S - 5 place = N
N - 3 place = K
K - 5 place = F
F - 3 place = C.