This type of question usually consists of a series of small letters which follow a certain pattern. However, some letters are missing from the series. These missing letters are then given in a proper sequence as one of the alternatives. The candidate is required to choose this alternative as the answer.

$\mathrm{bc\_b\_c\_b\_ccb}$

This type of questions usually consist of a series of small letters which follow a certain pattern. However, some letters are missing from the series. These missing letters are then given in a proper sequence as one of the alternatives. The candidate is required to choose this alternative as the answer.

a - c - abb - a-bc - bc - ab

This type of questions usually consist of a series of small letters which follow a certain pattern. However, some letters are missing from the series. These missing letters are then given in a proper sequence as one of the alternatives. The candidate is required to choose this alternative as the answer.

a - ba-cbaac-aa-ba

This type of questions usually consist of a series of small letters which follow a certain pattern. However, some letters are missing from the series. These missing letters are then given in a proper sequence as one of the alternatives. The candidate is required to choose this alternative as the answer.

$\mathrm{aaa\_bb\_aab\_baaa\_bb}$

This type of question usually consists of a series of small letters which follow a certain pattern. However, some letters are missing from the series. These missing letters are then given in a proper sequence as one of the alternatives. The candidate is required to choose this alternative as the answer. 

$\mathrm{\_bam\_amb\_m\_a\_bam}$

The following letter series are based on letter sequence. In each sequence, some letters are missing which are given as one of the alternatives below the sequence. Find the correct alternative from the choices. 

$\mathrm{a\_bba\_} \_\mathrm{b\_aab\_ba}$

The following letter series are based on letter sequence. In each sequence, some letters are missing which are given as one of the alternatives below the sequence. Find the correct alternative from the choices. 

$\mathrm{\_aa\_ba\_bb\_ab\_aab}$

The following letter series are based on letter sequence. In each sequence, some letters are missing which are given as one of the alternative below the sequence. Find the correct alternative from the choices.

$\mathrm{\_bab\_} \mathrm{\_bab\_a\_aba}$

The following letter series are based on letter sequence. In each sequence, some letters are missing which are given as one of the alternatives below the sequence. Find the correct alternative from the choices.

$\mathrm{a\_b\_b\_bb\_b\_bbbb}$