Select the letter from among the given options that can replace the question mark (?) in the following series.
E, F, I, N, U, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. D.
Given series: E, F, I, N, U, ?
E + 1 = F; F + 3 = I; I + 5 = N; N + 7 = U; U + 9 = D