What word is pronounced the same if you take away four of its five letters?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

What has many teeth, but cannot bite?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Find the next number in the sequence

1, 2, 6, 21, 88, __?