Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

j_l_jk_m_kl_

Select the option that gives the number missing from the following figure.

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

KK_LL_K_L_LL

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

_d_be_c_ed_b

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

M_N_M_MR_R_N

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

ab_bc_bb_ _abb_c

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

ef_he_g_e_gh

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

x_za_yza_xy_aa_

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

PE_NP_ON_EO_