Find the missing letter in the last circle logically in the given below picture.

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Different lights make me strange by changing me into different sizes. What am I?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

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

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

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 ?

The more you take me, the more you leave me behind.
Who Am I?