I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Can you write down eight eights so that they add up to one thousand?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Find the number of squares in the below-given picture.

Can you count the number of quadrilaterals in the picture below?

What part of the chicken has the most feathers?