Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

What is the word or phrase?

It's been the first day of the school when a young girl was found raped and murdered.
Police suspect four male teachers as on the killers and ask them what they were doing in the morning in time 8:00 am.
1. Wayne: I was reading the newspaper.
2. Terry: I was checking chemistry papers
3. Bridge: I had locked myself in my room as my wife left me.
4. Cole: I dropped my wife to her office.

Who is the killer?

What does this simple rebus mean?

Can you guess the name of the month by looking the below rebus ?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

There are forty elephants and they have forty-fore heads. How can this be possible?

What two things can you never eat for breakfast?