Can you find the missing piece of the Porsche?

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

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

Can you move 2 matchsticks to form four equal sized squares.

I have branches, but no fruit, trunk or leaves. What am I?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?