Answer: Option A Explanation:Start on the centre left of the diagram, and move in a clockwise spiral towards the centre.
Letters advance through the alphabet in steps of 2, 3, 4, etc.
Answer: Option B Explanation:In each diagram, letters are written in sequence, starting in the top left circle and moving clockwise around
the other 3 outer circles, in steps given by the numerical value of the central letter each time.
Answer: Option B Explanation:Add together the numerical values of the letters in corresponding positions on the left and right hand triangles,
and put the letter with this value in corresponding segments of the centre triangle.
Answer: Option C Explanation:Start on the far left of the diagram and move around it in a clockwise direction. Letters advance
through the alphabet in steps of 8 then 9, repeating this pattern all the way around.
Answer: Option D Explanation:Working through the diagram in rows, from top to bottom, the sum of the numerical values of the
letters in each row follows the sequence 15, 20, 25, 30, 35