What does this rebus means ?

PROG WORKRESS

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

As you can see in the picture, you have a hole with dimensions 9 ft x 2 ft Also available is a wooden board with dimensions 6 ft x 3 ft Now you have to cover the hole with this board and you are allowed to cut the board into two pieces. Please see that the hole is completely covered and the boards should not overlap or extend beyond the edge. How will you cut the board?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

What does this rebus photo means?

What do you get if you add 2 to 100 four times?