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?

The UN Security Council has how many member states?

a) 15
b) 10
c) 20
d) 25

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.

You have 21 jars with you. Out of them, 7 are filled with water, 7 are half-full with water and 7 are empty. How will you distribute the jars among three people such that each one of them gets an equal number of jars and an equal amount of water?

What's a single-digit number with no value?

Can you count the number of blocks in the picture below?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Readers with high attention to detail can identify the vampire in the picture. Can you?

Spot the cat in the picture below