In following alphabet series , one term missing as shown by question mark . Choose missing term from options. - DF, GJ, KM, NQ, RT, ?

D. UX

Choose or find odd letter group - RNJH , SOKG , QMIE , MIEA , PLHD

A. RNJH

Choose or find odd letter group - YXVZ , QPMR , KJHL , DCAE

B. QPMR

Choose analogous pair - Pen : Nib

B. SWORD : BLADE

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. - aba _ baca _ ba _ bacaabac _ aca

A. CACB