• ## Until I Am Measured, I Am Not Known

Until I am measured,
I am not known.
Yet how you miss me,
When I have flown!

What am I?

Spoiler

Time.

• ## The Shorter Five Letter Word

What five letter word becomes shorter when we add two letters to it?

Spoiler

The word is \’short\’.

When we add the two letters \’ER\’ to the word short, it becomes \’shortER\’. π

• ## The Girl and the Three Lamps

A girl is standing in a hallway with three lamp switches on the wall.

Each switch will turns on a different lamp inside a closed classroom. The girl canβt see inside the classroom, and she cannot open the door except to enter the room. She is allowed to enter the room only once, and when she do, all the lamps must be turned off.

How will tell which switch turns on which lamp when she enter the classroom?

Spoiler

Easy π She turn on the right switch and leave it on for two minutes. After two minutes, she turn on the middle switch and leave it on for one minute. When that minute is up, she turn off both switches and enter the room.

One light bulb will be hot (the first switch) and one will be warm (second switch) whereas the cold bulb will correspond to the switch she did not turn on.

• ## The Green House

There was a green house.

Inside the green house there was a white house.

Inside the white house there was a red house.

Inside the red house there were lots of babies.

What is it?

Spoiler

A watermelon. π

• ## Throw Away The Outside

You throw away the outside and cook the inside.

You eat the outside and throw away the inside.

What did you eat?

Spoiler

Corn or Maize. π