Which city is three-fifths chick two third cat and 50% goat?

I make two people out of one. What am I?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

What is the longest word in the dictionary?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

The more it dries, the wetter it becomes. Can you tell what it is?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

Can you find the key in the picture below?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?