Choose analogous pair - Necromancy : Ghosts

D. SORCERY : SPIRITS

In the following question, a matrix of certain characters is given. These characters follow a certain trend, row-wise or column-wise. Find out this trend and choose the missing character accordingly.
12 (47) 21
10 (52) 4
64 ? 24

D. 83

Complete analogous pair - Hourse : Jockey : : Car : ?

B. CHAUFFEUR

Choose or find odd letter group - BDYW , CEXZ , DFYW , EGXV

B. CEXZ

I : Roots : : House : II
    I.   [A] Flower  [B] Tree  [C] Branches  [D] Truck
   II.   [P] Foundation  [Q] Walls  [R] Floor  [S] Platform  

B. BP
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