In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

What two things can you never eat for breakfast?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

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?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

I am sure no one can have two things for dinner. what are they?

What is 3/7 chicken, 2/3 cat and 2/4 goat?