Please do NOT post your answer, but do say if you think you have solved the puzzle and how long it took. Solution on Monday.
A boat is at anchor. There is a rope ladder hanging over the side of the boat, and the rungs of the ladder are a foot apart. The sea is rising at a rate of 15 inches per hour. After 6 hours, how much of the rope ladder will remain above the water, assuming that 10 feet of the ladder was above the water when the tide began to rise?
I have produced an ebook containing 101 of the previous Friday Puzzles! It is called PUZZLED
and is available for the Kindle
and USA here
) and on the iBookstore
in the USA here
). You can try 101 of the puzzles for free here