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 does the rebus below mean?

TEN BADTION

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

What you cannot hold but it is yours?

People put me on the table and cut me but do not eat me. What am I?

Give it food and it will live; give it water and it will die.

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

What has hands, but can’t clap?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?