# SSAT Middle Level Math : Sets

## Example Questions

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### Example Question #31 : How To Find The Missing Part Of A List

Refer to the above diagram. The top row gives a sequence of figures. Which figure on the bottom row comes next?

Figure (d)

Figure (b)

Figure (a)

Figure (c)

Figure (b)

Explanation:

The figures alternate between lines with squares and lines with circles, so the next figure must be a line with a square. This eliminates Figures (c) and (d) and leaves Figures (a) and (b).

If we only look at every other figure - the ones with the squares - we note that each figure is the previous one rotated one quarter turn clockwise. The next figure in the sequence is therefore the figure resulting from a one-quarter turn of the fifth figure - this is Figure (b).

### Example Question #32 : How To Find The Missing Part Of A List

What number replaces the square in the sequence below?

Explanation:

The way to get from one entry of the sequence to the next alternates between multiplying by four and subtracting one, as follows:

Continuing the pattern:

, the correct choice.

### Example Question #33 : How To Find The Missing Part Of A List

On the top row in the above diagram is a sequence of figures. Which of the figures in the bottom row is the next one in the sequence?

Figure (d)

Figure (a)

Figure (b)

Figure (c)