What question can you never answer yes to?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Why Wine Glass Stem is so long?

You can win me and lose me but never buy me
You can not eat me and never want to part with me
I can make you cry or bring you joy
I am not a machine and definitely not a toy
You keep me but i am not forever just yours
You might find me in a case or on a shelf next to a vase
I am hard and i am tall if you bump me i am sure to fall
I am made of different materials and am at many events
If your lucky and fight hard I might be yours
What am I ?

If an electric train is travelling south, then which way is the smoke going?

what does this below rebus represent identXQQQQQME

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What does it mean?