Find the odd one out from the given:

Find the odd number out

Find the missing letters in the series given below. Y, T, O, ___, ___

From the following alternatives find the one that does NOT belong to the rest.

Find the odd pair among the following options.

Find the odd one in the following groups : Q,W,Z,B B,H,K,M W,C,G,J M,S,V,X