I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

A letter is hidden in the image in plain sight. Can you spot it in 6 seconds? Test your eye power now!

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?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers.

But do you know how many of these numbers are prime?

I have an eye but still cannot see.

Who am I?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

A candy is hiding in plain sight among the gift boxes in this picture. Can you spot it? Test your visual skills now!

Can you write down eight eights so that they add up to one thousand?