Answer Answer: Option A Explanation:Working in columns, the sum of the numbers in each column is always 14.
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Answer Answer: Option C Explanation:Working from top to bottom, double each number and subtract 1, 2, then 3 etc.
Answer 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 Answer: Option D Explanation:The numbers in each row and column add up to 15.
Answer Answer: Option A Explanation:The number at the centre of each triangle equals the sum of the lower two numbers minus the top number.