why number 8549176320 is one of a kind?

The more you take me, the more you leave me behind.
Who Am I?

Can you count the number of triangles in the picture below?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

What number when divided in half becomes zero?

Count the number of triangles in the below picture?

All Marigolds are flowers.
Few Flowers are used to make colors.
Therefore, some Marigold are used to make colors.

True Or False?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Can it be possible to build a house that has all its four walls facing towards the South?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?