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?

What always comes into a house through the keyhole?

Why did the Girl throw the butter out of the window?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?