Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Solve below rebus puzzle?

How far can you walk into the woods?

What is the next number in this matchsticks series riddle?

Can you count the number of quadrilaterals in the picture below?

What does Alexander the Great and Winnie the Pooh have in common?

Solve below popular number sequence
314 159 265 358 979 323 846 ?