Answer : 1. "X"
Explanation :

Answer: A) X Explanation: The logic in the given puzzle is  Addition of numeric values of corresponding letters in the first three figures gives respective corresponding letter in fourth figure.  i.e, A = 1 , W = 23 , B = 2 => 2 + 1 + 23 =26 = 'Z' Similarly, L = 12, K = 11 , A = 1 => 1 + 11 + 12 = 24 = 'X' Here the missing letter is 'X'.