Why are all black people so quick ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Why Aeroplane windows are round?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

They are three errirs in this question. Can you find them?

Whats the next number in the below number sequence pattern.

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?