Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Can you move 2 matchsticks to form four equal sized squares.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

A bomb exploded in a room full of married couples and no one died. How?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Can you name some countries which do not have the alphabet 'A' in them?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?