1. The killer is Alice.
The number in front of the month's
name in the note actually points
towards the position of a particular
letter in every month.
Second of January = A
Third of July = L
Fourth of April = I
Second of October = C
Fourth of December = E.
Thus, the name is Alice.

2. The murderer is Soumya because 26
Jan is a national holiday in India and
the municipality office remains
closed.

3. It is not Richard because if it was,
Richard 1 and Morgan 3 would both
be false, which would make Richard 2
and Morgan 2 both true which is a
contradiction.
It is not Travis because if it was,
Travis 1 and Travis 3 would both be
false, which is not possible.
Therefore, the killer must be Morgan


4. The murderer is Jack.
Christopher is the seer so exclude
him.
Now, if Danny was murderer, then
Garry should have been killed.
Now we know that Garry was
blocked. Therefore he cannot be the
murderer.
Harry can't be the killer as he was
killed himself.
This leaves with Jack.


5. The stranger said that he thought the
room was his. If so, he must have had
the keys to the room and thus he
must not have knocked.


6. This is what Birbal said after bowing
in front of the real king:
"Your majesty, the other kings were
watching you closely in order to
imitate you accurately while you were
sitting with your calm and composed
demeanor. This is how I found out
that you are the real king."
His Quick wit flabbergasted the king
and he was rewarded with luxurious
gifts and jewels in return.


7. Upon reaching each room, he found
out that the window facing the dead
body was closed. He had to open the
window himself. This tells that there
was somebody else with him who
closed the window. If he would have
committed suicide, at least one
window would have been open.


8. The Bangladeshi seaman is the thief.
This is because the Japanese flag
cannot be identified as upside down
as it is the same both ways. Thus he
is just trying to escape the situation.


9. The package comprises of the
parachute which is tied to her back
while she is diving free in the air. If
she doesn't open that, she will hit the
land and will die.


10. The husband had booked two tickets
for departure and only one for the
return. The travel agent told this
information to the police and they
immediately came to know that he
had planned the murder right from
the beginning.

See Riddles Here
https://www.nairaland.com/2511949/10-hot-brain-racking-riddles