Why did Navjot Singh Sidhu put the new January calendar in the freezer

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

How can you take 2 from 5 and leave 4?

People put me on the table and cut me but do not eat me. What am I?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

You need to move three matchsticks to form three squares. Can you do it?

Take one out and scratch my head, I am now black but once was red. What am I?