Answer: Option D Explanation:Reading each row of the diagram as a series of 3 digit numbers, the centre 3 digit number
equals the sum of the top 2 numbers, and the sum of the lower 2 numbers.
Answer: Option C Explanation:In each group of circles, the centre number equals the average of the four surrounding numbers.
Answer: Option C Explanation:The number at the centre of each segment equals the sum of the numbers on the outside of
the opposite segment.
Answer: Option B Explanation:The numbers in the lower circles equal the numbers in corresponding segments in the upper
circles multiplied by two, then subtract 3 for the left hand circle, 4 for the middle and 5 for the
right hand circle.
Answer: Option C Explanation:In each circle, double the numbers on the left hand side and put the result in the opposite
segment on the right hand side.