11.

P
Q
R
S

```Answer

Answer: Option  D Explanation:Taking the numerical value of each letter, they follow the sequence of Prime Numbers. ```

Report

12.

P
Q
R
S

```Answer

Answer: Option  D Explanation:Taking pairs of letters in the inner and outer segments of each eighth of the diagram,
the numerical values always add up to 20. ```

Report

13.

P
Q
R
S

```Answer

Answer: Option  D Explanation:Starting with the G, move clockwise around the circle, in steps of 3 letters, then 4, 5, 6 and 7. ```

Report

14.

N
P
H
F

```Answer

Answer: Option  B Explanation:Starting at the top left circle, and moving right, then down one row and moving left, in a snakes and
ladders pattern, letters move through the alphabet in steps of 2, 3 and 4, repeating this pattern all the way down. ```

Report

15.

N
S
O
F

```Answer

Answer: Option  A Explanation:The alphabetical value of the letters in the left hand column follows through the sequence of Prime Numbers,
with the letters in the right hand column representing the corresponding reverse alphabetical values. ```

Report