What is the next shape from answers A, B, C, and D figure?

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 ?

Using Only Five 5's and any mathematical operator make sum as 37

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

How can you tell a raw egg from a hard-boiled egg?

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

A blonde put eyeliner on her head. Why?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??