1.  


A: 32, B:63
A:16, B:77
A: 48, B: 28
A: 58, B: 86


Answer

 Option

In the first oval, all numbers are multiples of 8, and in the second, they are all multiples of 7.

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2.  


9
12
6
8


Answer

 Option

The number at the centre of each triangle equals the sum of the lower two numbers minus the top number.

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3.  


9
10
11
12


Answer

 Option

In each square of the diagram, the sum of the numbers is always 22.

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4.  


9
13
15
19


Answer

 Option

In each star, the central value equals the sum of the upper and lower digits on each star, subtracting the sum of the left and right hand digits.

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5.  


7, 1
7, 2
8, 1
8, 2


Answer

 Option

Reading each row as 3 separate 2 - digits numbers, the central number equals the average of the left and right hand numbers.

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