Solve below rebus puzzle?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Why is the Hole below a Lock?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Count the Triangle in the figure given below:

Can you quickly find which two matchstick figures are identical?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?