Common food poisoning microbes

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

OA, LG, IM, FS, (?)

Study the given pattern carefully and select the number that can replace the question mark (?) in it:

Which of the following should come in the place of question mark ?

BAC         EDF         HGI          ?

Which of the following sets of letters will be placed sequentially in the given alphabetical series to complete the given letter series?

A letter series is given below in which some letters are missing. Select the option that gives the letters that can fill these blanks in that order.

Select the combination of letters that when placed sequentially in the blanks of the given series will complete the series.

What will come in the place of question mark?

Select the option that represents the letters that, when placed from left to right in the blanks, will complete the letter series.

Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.

Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

A _ L _ U A P L _ U _ _ _ E U