What Deficiency does the below rebus represent?

VIT_MIN

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?

Solve the mathematical equation in the picture below.

Which flower has two lips?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

Which is faster, Heat or Cold ? Explain.

Find the last number in the series below:

voN luJ yaM raM ---

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

Do you know who was buried in John's tomb?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?