Buy me, smell me or deliver me, I do not change.

Who am I?

Can you tell a 3D object that has just two surfaces?

Can you find out the missing number in the grid?

What's a single-digit number with no value?

Can you find the missing piece of the Porsche?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?