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

Choose or find odd number - 8, 64, 125, 216, 28

E. 28

Choose the correct alternative from the following : - Assertion (A) : Carbon monoxide when inhaled causes death.
Reason (R) :
Carbon monoxide combines with haemoglobin.

A. BOTH A AND R ARE TRUE AND R IS THE CORRECT EXPLANATION OF A.

In a certain language, the numbers are coded as follows :
4 3 9 2 1 6 7 8 5 2 0
A W P Q R B E S G J M
How are the following figure coded in that code ? 3215

A. WJRG