White rust of crucifer is caused

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 placed sequentially in the blanks of the given series will complete the series.

What will come in the place of question mark?

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 letter series will complete the series.  

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

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

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

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

Find the missing term series:

D         J            O           ?             V           X