Can you solve the maths in the below-given picture equation?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

How many times can you subtract the number two from the number fifty?

Can you place six X (crosses) in below board without making three in a row in any way ?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

Decode the movie name from the below picture?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?