Working memory test

Reverse this in your head

A short working-memory challenge that tests whether you can hold and transform a sequence.

IQFlow Pinterest pin with the digit sequence 7, 2, 9, 4, 1, 8 for a reverse-memory test.

Quick answer

Answer: 8 - 1 - 4 - 9 - 2 - 7

The reverse order of 7, 2, 9, 4, 1, 8 is 8, 1, 4, 9, 2, 7. The hard part is holding the digits while transforming the order.

How to use it

1

Read the digits once.

2

Chunk them into pairs if helpful.

3

Reverse from the final digit backward.

4

Check whether any pair swapped accidentally.

What this trains

Working memory
Mental transformation
Attention control
Sequence recall

IQFlow

Try it inside IQFlow

IQFlow turns short cognitive checks into a broader profile across reasoning, memory, focus, and speed.

Start IQFlow