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

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?