What seven-letter word has hundreds of letters in it?

What work can one never finish?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

If you say my name, I will no longer exist. What am I?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

A man comes across a coin that is dated 226 B.C. Can you calculate its worth?

Prove that twice of ten is the same as twice of eleven.

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What 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.

What came first, the chicken or the egg?