What does below Rebus mean ?

esgg sgeg gegs gsge

Can you find out which number multiplied by itself will give the output as 12345678987654321?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

A sundial has the fewest moving parts of any timepiece. Which has the most?

What do you think with the below Picture ?

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

What does this Rebus Picture means ?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

Move three sticks of the spiral below to form a square.

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.