Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Forwards I am heavy, backward I am not. What am I?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

What does this mathematical rebus means ?

Can you find the mistake in the below statement?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

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

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?