What is the word or phrase?

Prove that the below maths equation is true.

8 + 8 = 91

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

Why did Buffon take the goal with him after every Juventus match?

Why are televisions attracted to people?

When it's bad luck to meet a black cat?

What does the below rebus riddle means?

I make two people out of one. What am I?

Replace the question mark with the correct number in the below-given picture?