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

How many triangles are there in the picture below?

Can you find out the total number of triangles in the given figure?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

What always comes into a house through the keyhole?

Which number should replace the question mark?

You can see it everyday, But cannot touch it at will. What is it?

If two's company, and three's a crowd, then whats four and five ?