Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

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?

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

Who has married many women but was never married?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

What four weights can be used to balance from 1 to 30 pounds?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?