What is the fastest way to double your money?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Find the number of squares in the below picture

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

What is common among 11, 69, and 88?

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

Why Wine Glass Stem is so long?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.