When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Riddle me this, Riddle me that,
What am I? I am made of wood, but you can't see me down?

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

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?

Before Mount Everest was discovered, what was the highest mountain in the world?

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?

What you cannot hold but it is yours?

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?

What is the riddle which can be asked all day with a different correct answer each time.

Which is the correct shadow of the bird?