Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

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?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

What do you answer even though it never asks you questions?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Identify The phrase in the picture.

I have branches, but no fruit, trunk or leaves. What am I?

On a beautiful Sunday morning, You ordered a hot tea to your hotel room and suddenly you remember an important thing that needed to be done right now will take around 3 minutes to complete.
Like most people you like your tea to be hot while drinking so, when should you pour cream in the tea?
1. straight away
2. Just people, you drink the team
3. Its does not matter