What do you get if you add 2 to 100 four times?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

What has a bottom at the top?

Our product and our sum always give the same answer. Who are we?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

What does below chemistry rebus means?

Can you guess the name of the month by looking the below rebus ?