What is the word or phrase?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

Find the next number in the sequence

5 12 24 36 ?

How can one talk without saying a single word?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

You can see three almost identical images below. Can you spot the odd one out from them?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

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?