In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
o p _ o s _ t _ o _ p o _ i t e _ p p o _ i _ e 

Select the c ombination of letters that when sequentially placed in the blanks of the given series will complete the series.
 _ c _ d d _ c a _ c b d d b _ a

Direction: Answer the questions given below referring to the following arrangement.
2 L P 3 R * J @ C O 7 N I # 4 Q A B 6 $ M = D 5 K

If the above series is re-arranged in the reverse order, which will be the eleventh to the left of the sixteenth elements from the left end?

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

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
5, 11, 21, 43, 85, ?

Select the option that will fill in the blank and complete the given series.
DXB, GSI, JNP, MIW,___

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

A series is given with one term missing. Choose the correct option from the given ones that will complete the series.

512, 256, 128, ?, 32, 16, 8