During which month do people sleep the least?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

Why is the Hole below a Lock?

Identify the 10 differences between the two given pictures.

What part of Turkey has the most feathers?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?