What always comes into a house through the keyhole?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

What has a bottom at the top?

Solve below rebus puzzle?

There are forty elephants and they have forty-fore heads. How can this be possible?

A farmer and his neighbour once went to Emperor Akbar"s court with a complaint. "Your Majesty, I bought a well from him," said the farmer pointing to his neighbour, "and now he wants me to pay for the water."
"That"s right, your Majesty," said the neighbour. "I sold him the well but not the water!"?
The Emperor asked Birbal to settle the dispute. How did Birbal solve the dispute?

What does below Rebus mean ?

esgg sgeg gegs gsge

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

How Come ??