What does this simple rebus mean?

Shyla was sleeping in her apartment when suddenly a robber broke into her house. He asked her to stay quiet and started looting the cash and jewelry. Suddenly the landline phone started ringing. The robber pointed a gun at Shyla and asked her to pick up and talk without giving away the situation.

She picked up the phone and it happened to be her husband. She spoke, Is it an emergency darling? Do give me a call when your flight lands, I will prepare your favorite food that will help you relieve the stress. Then she hanged up.

10 minutes after, the police arrive at the scene and catch the robber. How did the police know about the robbery?

What is the fastest way to double your money?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you write down eight eights so that they add up to one thousand?

Can you fill the blank with the correct number?

6 30 870 756030 _____

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.