Can you find the missing piece of the Porsche?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

Why 1729 is a magic number? Answer Logically.

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

I have no life, but I can die. What am I?

John was piloting a plane behind a car but was never able to overtake it. Why?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?