Training our brain can be a valuable way to keep yourself healthy, and every week GCHQ comes up with a brainteaser to do just that.
One of the puzzles they concocted was challenging the reader to work out what the next number in the above sequence is.
The challenge gives you a series of seven numbers and asks you to work out what the next number would be. The numbers are: 7, 8, 5, 3, 4, 4.
Can you work it out?
Brainteasers are a great way to push the mind to its limits and keep one of the body’s most important organs in shape.
They’re quick to do and can be done on the train to work or while in a waiting room.
Some brainteasers test your analytical skills ... Read even more
