Can you solve the maths in the below-given picture equation?

What is common among 11, 69, and 88?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

During which month do people sleep the least?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

What does below rebus means ?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

A dead body is found outside a multi-story multinational company. The case is reported and a homicide detective is called on the crime scene.

He looks at the body and then towards the building. From the position of the body, it is evident that the victim committed suicide. He goes to the first floor of the building and then walks in the direction of the dead body, opens the window and toss a coin in the air.

He goes to second floor and again repeats the process. He keeps doing this till he is done on all the floors. Then he returns back to the floor and tells his team that it is a murder.

How in heaven did he deduce that?

What you cannot hold but it is yours?