Complete analogous pair - Karnataka : Gold : : Madhya Pradesh : ?

A. DIAMOND

Choose or find odd word - Polar bear , Reindeer , Yak , Silver fox , Leopard

E. LEOPARD

Choose analogous pair - Termite : Wood

D. MOTH : WOOL

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.
4C 2B 3A
28A ? 45B
7C 5A 15B

A. 10C

Given set : (9, 15, 21)

D. (4, 8, 12)
Posted in:  Number Analogy -  Analogy -  Verbal Reasoning