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

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

Which flower has two lips?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?