Answer: Option D Explanation:Moving to the right, double each number and subtract 3 to give the next number along.
Answer: Option B Explanation:Starting top left, and moving down in columns from left to right, the numbers follow the sequence of
prime numbers from 2 to 23.
Answer: Option B Explanation:In each circle, the lower number equals the product of the top two numbers, subtracting 3
for the left hand circle, 4 for the middle, and 5 for the right hand circle.
Answer: Option A Explanation:Starting with the 10 at the top, one set of numbers increases by 3 each time, written in alternate boxes as
you move down the diagram, and the other set of numbers decreases by 2, written in the boxes remaining.
Answer: Option C Explanation:On each row, add the values of the left hand and central boxes to give the value in the right hand box.