It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

O_er_t_o_

Complete the missing letters of the given word.

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

What will you call your mother's brother's brother-in-law?

Today is a very icy and cold morning in Newcastle. Mr Shearer, an office bus driver arrived to pick up the employees from the last stop. Shearer suddenly remembers that he needs to pick a newly joined 4miles to the north. Mr Shearer lost his direction compass, a few minutes later Shearer is able to figure that he is moving in the correct direction i.e. north. How did Shearer know that he is moving in the correct direction?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

What word does this rebus represent?

meta meta
meta meta

Which Burger Is Different in below image?

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?