Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

What 5-letter word typed in all capital letters can be read the same upside down?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

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.

What is the fastest way to double your money?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

Can you find out the number that should replace the question mark with a valid reason?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?