What you cannot hold but it is yours?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

Find the Goldfish below the given Image.

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Can you start the fire using two pieces of wood?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M