What letter should come next in the series: b, d, f, h, ?

C. I

Find the missing letter in the series: z, x, v, t, ?

A. R

Complete the series: a, c, e, g, ?

B. H

Complete the series: a, c, e, g, ?

B. H

Find the missing letter in the series: b, d, f, h, ?

A. J