Example 1
The question starts with two numbers that are linked together in some way. Next there are two more numbers that are linked in exactly the same way. You have to work out how the numbers are linked and then finish off the third pair. Look at the example.
[ 2 > 4 ] [ 6 > 12 ] [ 13 > ? ]
Answer options: 15 18 20 26 130
Example 2
Each question shows a series of numbers. You have to work out the rule or rules used to arrange the numbers. Then decide what number should come next in the series. Look at the example.
3 6 12 24 ?
Answer options: 12 30 32 48 56