Rule finder
To find out whether you are right, include tests that would prove you wrong, not only ones that would confirm you.
5 minutes · trains Read hidden information · points only, never money
A hidden rule says yes or no to any three whole numbers. You see three that fit it. Make a guess, then try your own numbers and see which fit. When you are sure, say which rule it is. Three rounds, each with a different rule.
- Round
- 1 of 3
- Rules found
- 0
- Tests this round
- 0
These fit the rule: 2, 4, 6
Pick your guess, then test it with three numbers of your own.
| Numbers | Fits the rule? | Could it prove your guess wrong? |
|---|
Try it yourself
You are told 2, 4, 6 fits a hidden rule, and you guess "numbers going up by 2". Which test tells you most about whether you are right?
3 questions, a minute or two. Nothing to finish first.
Want more? Practise Read hidden information.
Read more
- Test to disprove To find out whether you are right, include tests that would prove you wrong, not only ones that would confirm you.
- The Read hidden information course Lessons and practice for the skill this lab trains.