Letters in a line

7th March 2003 at 00:00
Use the letters A, B, C, D and E and put them in a line.

Letters that are next to each other in the alphabet must not be next to each other in the line.

Investigate different ways to do it.

How many ways can you find?

Brainteaser solutions

Letters in a line

There are seven different solutions and seven reflections

Log-in as an existing print or digital subscriber

Forgotten your subscriber ID?


To access this content and the full TES archive, subscribe now.

View subscriber offers


Get TES online and delivered to your door – for less than the price of a coffee

Save 33% off the cover price with this great subscription offer. Every copy delivered to your door by first-class post, plus full access to TES online and the TES app for just £1.90 per week.
Subscribers also enjoy a range of fantastic offers and benefits worth over £270:

  • Discounts off TES Institute courses
  • Access over 200,000 articles in the TES online archive
  • Free Tastecard membership worth £79.99
  • Discounts with Zipcar, Buyagift.com, Virgin Wines and other partners
Order your low-cost subscription today