Find the odd word/ letters/ number/number pair from the given alternatives.

In the  following question, select the odd letters from the given alternatives.

Find the  odd letters from the given alternatives.

In the following question, select the odd letters from the given alternatives.

Four words have been given, out of which three are alike in some manner, while one is different. Choose the odd one.

Choose odd one out

Choose the related word/letters/number from the given alternatives.
 Nest : Bird : : Den : ?

Four words have been given out of which three are alike in some manner, while one is different. Choose the odd one.