What is the next letter in the series: M, O, Q, S, ?

B. T

Find the odd one out in the series: A, C, E, G, H, I, K

B. H

Find the odd one out in the series: A, C, E, G, H, I

D. H

Find the incorrect letter in the series: A, D, G, J, M, P, S, V

D. V

What is the next letter in the series: B, E, I, N, ?

A. R