How is the moon similar to a dollar?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

When it is alive we sing, when it is dead we clap our hands. What is it?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

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

Which is faster, Heat or Cold ? Explain.

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

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).

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking