How many triangles are there?

How many triangles are there?

You cracked it – well done! If you enjoyed tackling that puzzle, then why not take on an altogether tougher challenge – one that will give you fascinating problems to solve every single day...

Unfortunately you didn’t get it right this time, but you can always give it another go – click the link to try again. Or, if you’d like new and fascinating problems to solve every single day...

Apply for our Higher Apprenticeship Programme here

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Higher Apprenticeships in IT, Software, Internet & Telecomms

As an Apprentice at GCHQ, you’ll take on some of the most complex problems in the world. Problems that threaten the UK’s national security - like cyber threats, hacking and international terrorism. Sounds interesting? It is. Over the space of two years, our Higher Apprenticeship Programme will give you the skills and confidence you need to take on these challenges, and solve them.

Attempt the puzzle above if you want to see if you’ve got the kind of skills we're looking for. Or you can just go straight through to our application system. Please note, to apply you must either have, or be expecting to get, 3 A‑Levels at C grade or higher – two of which must be in Science, Technology, Engineering or Maths subjects.

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