What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

What has to be broken before you can use it?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

What number do you get when you multiply all of the numbers on a telephone's number pad?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

What has hands, but can’t clap?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?