I look at you, you look at me I raise my right, you raise your left. What am I?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

I have branches, but no fruit, trunk or leaves. What am I?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

What work can one never finish?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

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).