Brain Teasers and Puzzles

A box for your workings out:

Hint: There are 12 inches in a foot, and 1,760 yards in a mile.

Answer: Feet in a 20 mile walk.

There are 12 inches in a foot, and 1,760 yards in a mile.

There are 105,600 feet in a 20 mile walk but only 97,200 square inches in a piece of carpet 15 yards by 5 yards.