What does does this rebus picture means ?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

What do you get if you add 2 to 100 four times?

What breaks yet never falls, and what falls yet never breaks?

Prove that twice of ten is the same as twice of eleven.

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What is common among 11, 69, and 88?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?