In these difficult visual tests, how quickly can you spot the odd letter? Only 4% of us will get all of these correct, so good luck!
Can you find the odd one out in each of the three levels in under 30 seconds?
- Can you find the odd one out?

- You need full focus to solve it

- It’ll get harder and harder, try your best

- Time-limited is 15s, can you beat the clock?

- How fast can you find it?

- You’ll be a genius if solve it without cheating

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