Answer: Option B Explanation:Start with the top left hand box, and move around the others in a clockwise spiral towards
the centre. Read each box as a pair of 2 digit numbers, one above the other. The sum of the
2 digit numbers in each box follows the sequence 55, 60, 65, 70 and 75.
Answer: Option C Explanation:Reading each column as a 3 digit number, moving from left to right, the columns follow
the sequence of cube numbers of 5, 6 and 7.
Answer: Option A Explanation:In each circle, the number in the lower left segment equals the sum of the numbers in the
top two segments, and the number in the lower right circle equals the difference between the
numbers in the top two segments.
Answer: Option C Explanation:In each group of 3 numbers, the lower number equals the average of the top two numbers.
Answer: Option A Explanation:In each row of each grid, multiply the left and right hand numbers together to give a digit value,
and write this value in the two centre boxes.