16.

B
D
F
G

```Answer

Answer: Option  C Explanation:In each star shape, the sum of the numerical values of the letters bounded by one triangle is equal to
that of the other triangle. ```

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17.

E
H
L
P

```Answer

Answer: Option  A Explanation:In each stick - man diagram, start on the left foot and move around the other limbs in a clockwise direction.
The letters advance through the alphabet in steps given by numerical value of the letter on the head of the diagram. ```

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18.

I
J
K
L

```Answer

Answer: Option  A Explanation:Letters are arranged in each square in alphabetical order, skipping 5 letters at a time. The letter
bounded by the central square carries on this sequence, but using the reverse alphabetical value. ```

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19.

B
C
E
F

```Answer

Answer: Option  D Explanation:Moving from left to right, letters move though the alphabet in sequence, skipping 12 letters,
then 11, 10, 9, 8 etc. ```

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20.

4
3
2
1

```Answer

Answer: Option  C Explanation:Splitting the large square into quarters, each quarter features the same pattern of letters. ```

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