I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

When it is alive we sing, when it is dead we clap our hands. What is it?

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

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

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

What is black when you buy it, red when you use it, and gray when you throw it away?