# HSPT Quantitative : Number Series*

## Example Questions

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### Example Question #1 : How To Work With Number Series

What number should come next in this series?

__

Explanation:

The pattern is add , subtract . The last operation is .

### Example Question #2 : How To Work With Number Series

What number should come next in this series?

__

Explanation:

The pattern is subtract , divide by . The last operation is .

### Example Question #3 : How To Work With Number Series

What number should come next in this series?

__

Explanation:

The pattern in this series is perfect squares:

...

### Example Question #4 : How To Work With Number Series

What number should come next in this series?

__

Explanation:

The pattern is add , then subtract .

The last operation is .

### Example Question #5 : How To Work With Number Series

What number should come next in this series?

, __

Explanation:

The pattern is divide by , then add . The last operation is .

### Example Question #6 : How To Work With Number Series

What number should come next in this series?

__

Explanation:

The general pattern for this one is subtract  each time, but a  is placed between each element. Ignoring the 's, the last operation is .

### Example Question #7 : How To Work With Number Series

What number should come next in this series?

__

Explanation:

The pattern is divide by , then subtract . The last operation is .

### Example Question #8 : How To Work With Number Series

What number should fill in the blank in this series?

__

Explanation:

The pattern is multiply by , then add . The operation before the blank is .

### Example Question #9 : How To Work With Number Series

What number should come next in this series?

__

Explanation:

Each element in the series adds a number that is one more than the last:

### Example Question #10 : How To Work With Number Series

What number should come next in this series?

__