Which letter-cluster will replace the question mark (?) and complete the given series?

EFGH, FEHG, ?, HCJE, IBKD

Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series. NOI _ _ _ RCN _ _ _ AERCN_IT_ERC_OITA _ _ C

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

T _ U _ P _ Y _ I P T _ U I _ T Y _ _ P

Which letter-cluster will replace the question mark (?) to complete the given series?

JDTY, LHRU, NLPQ, ?, RTLI

Which letter-cluster will replace the question mark (?) to complete the given series?

PDRT, ?, LJPP, JMON, HPNL

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

D_ G J _ F G _ D _ _ J _ F_ J

Which letter-cluster will replace the question mark (?) and complete the given series?

CZAR, EXCP, ?, ITGL, KRIJ

Which letter-cluster will replace the question mark (?) and complete the given series?

BIRD, DMTG, ?, HUXM, JYZP

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

Z X _ V _ Z _ C _ B _ X _ V B _ X C _ B

A series is given with some letters missing. Choose the correct alternative from the given ones that will complete the series:

A series is given with some letters missing. Choose the set of letters which when sequentially placed shall complete it .

In the following letter series, some of the letters are missing which are given in that order as one of the alternatives below It. Choose the correct alternative

In the series _b_a_ba_b_abab_aab;

fill in the six blanks ( _ ) using one of the following given four choices such that the series follows a specific order.