563, 647, 479, 815, ?

Choose the missing terms out of the given alternatives : W-144, ?, S-100, Q-81, O-64

66, 36, 18, ?

Choose the missing terms out of the given alternatives : A, G, L, P, S ?

3, 7, 23, 95, ?

3, 7, 15, ?, 63, 127

Choose the missing terms out of the given alternatives : A, B , N, C, D, O, E, F, P, ?, ?, ?

3F, 6G, 11I, 18L, ?

Choose the missing terms out of the given alternatives : Z, W, S, P, L, I, E ?