~Mind Benders~

Everyone is welcome to share their mindbenders.

I'll go first:

You may learn and profit by it
As a teacher it is good
But take care it's not repeated
You'll regret it if you should

What is it???

 

School?

 

That's the incorrect answer. The answer is a mistake.

Here's another one:

It can help you solve a problem
Set the sound high or low
But if its not cut correctly
To the bin it will go.

What is it???

Clue: entry

 

you mean to tell me that noone knows the answer...OMG!!

 

a lottery ticket?

 

here is an easy one:
it begins & ends in E
and usually contains only one letter
what is it?



ok that was plenty easy for ya

 

a key?