Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

What does below pictogram mean?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

What has a bottom at the top?

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

You need to move three matchsticks to form three squares. Can you do it?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

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?