Question

Find the odd one in the following group

Q, W, Z, B                      B, H, K, M

W, C, G, J                       M, S, V, X

                                                                                                     

      (a) Q, W, Z, B                                                     (b) B, H, K, M

      (c) W, C, G, J                                                      (d) M, S, V, X