
246. 

Answer: E
Explanation:
Convert each letter to its numerical value, and split the diagram into rows, reading each row as a 2 or 3 digit value. The value represented by the middle line of the diagram equals the sum of the upper value and lower value.

247. 

Answer: K
Explanation:
Working through the diagram in columns, from top to bottom, letters move through the alphabet in steps of 5 for the left hand column, 7 for the next one, then 9, then 11.

248. 

Answer: O
Explanation:
In each diagram, add the numerical values of the top 2 letters together, divide this by 2 and subtract 2 to give the numerical value of the lower letter.

249. 

Answer: A
Explanation:
Split the diagram in half, horizontally and vertically, into quarters. Start in the top left cell of each quarter, and move around it in a clockwise spiral towards the centre. Letters are written in alternate segments, moving forward 7 letters at a time for the top left quarter,6 letters for the top right, 5 letters for the lower right, and 4 letters for the lower left.

250. 

Answer: C
Explanation:
The sum of the numerical values of the letters in each column of the diagram equals 29.


