Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I look at you, you look at me I raise my right, you raise your left. What am I?

Can you divide the below-given shape into four equal and identical pieces?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

How many triangles can you count in the figure given?

Which of the below owl is odd one out?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

How can you take 2 from 5 and leave 4?

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?

Solve the equation in the image by looking at the pattern closely.