If eleven plus two equals one, what does nine plus five equal?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

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

How is this possible?

Replace the question mark with the correct number.

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

Whats the next number in the below number sequence pattern.

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

What does this rebus puzzle means ?

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

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?