Solve below rebus puzzle?

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

What is the word or phrase?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

Can you identify the hidden rebus in the image below?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

Decode below three cipher riddles:

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

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

I’m tall when I’m young, and I’m short when I’m old. What am I?