What does this simple rebus mean?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Find the hidden tiger in the given optical illusion ?

In the image below, can you find the value of an angle(y)

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

Using eight eights and addition only, can you make 1000?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

When does a USA Potato change its nationality?