There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

What is black when you buy it, red when you use it, and gray when you throw it away?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

What breaks yet never falls, and what falls yet never breaks?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

What is the longest word in the dictionary?

How many triangles can you find in this given picture?