Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

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

The King of a distant land had heard that Birbal was one of the wisest men in the East and so desired to meet Birbal. He sent Birbal an invitation to visit his country.

In due course, Birbal arrived in the distant kingdom. When he entered the palace he was flabbergasted to find not one but six kings seated there. All looked alike. All were dressed in kingly robes. Who was the real king?

The very next moment he got his answer. Confidently, he approached the king and bowed to him.

How did Birbal know who was the real king?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What is full of holes but still holds water?

There was a strange boy who was born before his father. How can this be possible?