What is in seasons, seconds, centuries and minutes but not in decades, years or days?

During which month do people sleep the least?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

What makes this number unique: 8,549,176,320?

Can you count the number of matches in the picture below ?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

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

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?