I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

It belongs to you, but other people use it more than you do. What is it?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Solve the puzzle by telling what does below picture means.

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?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

A man dies of old age on his 25 birthday. How is this possible?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

What is the largest number you can write with just 3 digits?

What can you see in the middle of March and April that you can never see in any other month?