There is something which is always coming but never arrives?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

I am white when I am dirty, and black when I am clean. What am I?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

How many Watermelons are there in the below picture?

What has to be broken before you can use it?

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.

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Which is the smallest number that you can write using all the vowels exactly once?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.