What is two-factor authentication

Select the correct combination of the 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.

D H_ R V _ _ M _V D _ _ R V

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

P _ _ S T _ Q R _ T _ Q _ _ T

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.

Which among the following set of letters can be placed in the gaps in the given alphabet series to follow a particular pattern?

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

Select the number 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?