1.

0.
1
3
5

```Answer

Answer: Option  C Explanation:In each group of 3 numbers, the lower number equals the average of the top two numbers. ```

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2.

0.
1
2
3

```Answer

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. ```

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3.

1
2
5
7

```Answer

Answer: Option  A Explanation:Reading each row as a 3 digit number, the rows follows the sequence of square numbers, from 17 to 19. ```

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4.

1
3
5
7

```Answer

Answer: Option  A Explanation:Reading each pair of numbers as a 2 digit number, they follow the sequence of square numbers from 6 to 9. ```

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5.

1
2
3
4

```Answer

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. ```

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