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?

Prove that twice of ten is the same as twice of eleven.

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

Solve below popular number sequence
314 159 265 358 979 323 846 ?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

I have eight fingers and two thumbs but I do not live. What Am I?

Can you identify if it's a murder or a suicide ?

I look at you, you look at me, I raise my right, you raise your left. What am I?