what does the below rebus means?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

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?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

What two things can you never eat for breakfast?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

Why did Navjot Singh Sidhu put the new January calendar in the freezer