Select the option that represents the letters which,

Study the following information carefully and answer the given questions.

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

What will come in place of question mark (?) in the following series?

DLN        CKO       BJQ        ?          ZHX

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

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

In the following question, select the related number from the given alternatives.

32: 512 :: 24: ?

In the given arrangement, how many such numbers are there which are immediately followed by a symbol and immediately preceded by a letter?

.  In the following question, find which one word cannot be made from the letters of the given word “CORRESPONDENCE”