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

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

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.

Complete the table series riddle by finding the number that can replace "??".

Imagine you are in a room with no windows or doors. How will you get out?

What does below Rebus say?

XLR8

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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

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?