Why is the longest human nose just 11 inches?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

What happened when the wheel was invented?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Why do Chinese men eat more rice than Japanese men do ?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

How many words can a pen with half refill write?