What has no start, end, or centre?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

You need to arrange three 7 and mathematical symbols to form number 1?

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?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?