Hint: Remember that 3 raised to the 5th power is 3 x 3 x 3 x 3 x 3.
Answer: 3 raised to 5th power.
3 raised to the 5th power = 243. 5 raised to the third power = 125.
A bookworm eats from the first page of an encyclopaedia to the last page.
The bookworm eats in a straight line.
The encyclopaedia consists of ten 1000-page volumes and is sitting on a bookshelf in the usual order.
Not counting covers, title pages, etc., how many pages does the bookworm eat through?
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Hint: Mentally try to see the set of 10 volumes on a shelf.
Answer: He eats through 8,000 pages.
Remember, when the encyclopaedia is in the correct order on the bookshelf, the first volume is on the left, so the first page is not on the extreme left, nor extreme right. And also remember that he's eating from the first page to the last in a straight line, so doesn't eat either of these 2 pages.
The answer will also remain the same if you consider each sheet of paper to be two pages, he will eat 4,000 sheets of paper, which is still 8,000 pages.
If I can boil 2 eggs in 10 minutes.
How long will it take me to boil 5 eggs?
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Hint: Be careful with your thinking.
Answer: Exactly the same time!
Think of words ending in -GRY. Angry and hungry are two of them. There are only three words in the English language. What is the third word? The word is something that everyone uses every day. If you have listened carefully, I have already told you what it is.
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Hint: Is this a trick question?
Answer: There are only two: angry and hungry. The rec.puzzles archive offers a large collection of words that end in -GRY, but none of them could be considered even remotely common. There are many generally unsatisfying "trick" answers to the problem, which depend on a specific wording of the question or that the question be spoken instead of written. There seems to be no agreement among puzzle historians about which form is the original, or even the age of the problem. In any event, it is apparent that the frequent mutations of the puzzle statement over the years have erased whatever answer was intended by the original author. The usual trick is to play on the expression "the English Language", you are then asked for the third word - which is of course Language!