During which month do people sleep the least?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Identify the hidden meaning behind this picture?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

Can you solve the maths in the below-given picture equation?

Decode the below four famous ciphers:

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

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Why is the Hole below a Lock?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.