Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?

What is the riddle which can be asked all day with a different correct answer each time.