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.

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

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?

Can you count the number of triangles in the given figure?

How many sides does a circle have?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What have one eye but still cannot see?