Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

You can hear me, but you can't touch or see me.

What am I?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Solve the rebus riddle in the picture below.

If eleven plus two equals one, what does nine plus five equal?

What has many keys but can’t open a single lock?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

How many letters are in the alphabet?