Answers to this thread do you like ridles?

Light bulb ridle Post #20
Deathray64 got it.
Turn on one light, then turn it off. Turn on another light and then go upstairs. One light will be on, one will be off, and one will be hot.

13 ball ridle Post #1

Balls numbered 1 to 13.

First measure, 1-4 against 5-8

Possibility: Scale balances.

Second measure: 9-11 against 1-3

Possibility: Scale balances.

Third measure: 12 against 1

Possibility: Scale balances.

Odd ball out is #13.

Possibility: Scale tips.

Odd ball out is #12

Possibility: Scale tips.
This gives the information if the odd ball out is heavier or lighter than normal, and that it's 9-11.

Third measure: 9 against 10.

Possibility: Scale balances.

Odd ball out is #11

Possibility: Scale tips.

The ball that goes the same way as the 9-11 group went is the odd ball out.

Possibility: Scale tips.
Odd ball out must be 1-8

Second measure: 1-3 + 5 against 9-11 + 4

Possibility: Scale balances.
Odd ball out is 6-8, and we know if it's heavier or lighter.

Third measure 6 against 7.

Possibility: Scale balances.

Odd ball out is #8

Possibility: Scale tips.

Odd ball out is one which goes in correct direction

possibility: Scale tips with 1-3 in DIFFERENT direction as first measure
Odd ball out is #4 or #5

Third Measure: #1 against #4

possibility: Scale balances.

Odd ball out is #5

possibility: Scale tips.

Odd ball out is #4

possibility: Scale tips with 1-3 in SAME direction as first measure
Odd ball out is #1-3

Third measure: 1 against 2.

possibility: Scale balances

Odd ball out is #3

Possibility: scale tips.

Odd ball out is the one that moves in the same direction as the first measure.

Edit by SupraGuy to put indents back in