What two things can you never eat for breakfast?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

Can you find out the missing number in the grid?

What number should come in place of the question mark below?

What has one eye, but can’t see?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

What does it mean?

Can you decipher the two rows to find the hidden word?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

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