Select the letters from among the given options that can replace the question mark (?) in the following series.
K, M, P, ?, U, W, ?, B
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. R, Z.
Given series: K, M, P, ?, U, W, ?, B
K + 2 = M, M + 3 = P, P + 2 = R, R + 3 = U, U + 2 = W, W + 3 = Z, Z + 2 = B