You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

How many times can you subtract the number 5 from 25?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Which point will the car reach to go out?

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.

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?