Title Builder Beta See instructions

Welcome to Title Builder Beta.

This small piece of kit is designed to make building your Quiz, Crossword or Puzzle question more effective. It should make finding your question easier for others and, the easier it is to find, the more likely someone is to answer it!

To build an easy to find question title simply select the paper and quiz, enter the quiz number if relevant and fill in the Publication Date. Once you’re happy click “Build Title” and the information should populate the Title field. Fill in the final required details of your question as you normally would, and click submit.

As this is a Beta we only have a limited number of papers and quizzes listed. If you think your favourite Quiz, Crossword or Puzzle should be listed here don’t hesitate to contact us.

Remember: You do not have to use the title builder - simply enter the title and question as you normally would and click submit!

Paper & Quiz:

Loading data...

Quiz Number:

Publication Date:

�1 coins on a chessboard.

fennster | 13:10 Fri 25th Feb 2005 | Quizzes & Puzzles

4 Answers

If your where to place one �1 coin on the first square of a chessboard and double the amount on the second square and then double the amount on the next and so on, e.g. 1 coin on the 1st, 2 on the 2nd square, 4 the on 3rd, 8 on the 4th etc. What be the height of the coins on the final square?

Snow white

Cryptic places

Answers

1 to 4 of 4

Best Answer

No best answer has yet been selected by fennster. Once a best answer has been selected, it will be shown here.

For more on marking an answer as the "Best Answer", please visit our FAQ.

markwh

I calculate 2 to the power 63 coins.

�1 coin thickness of 3.15 mm

Total height is approx. 2.9 x (10 to the power 13) km

= 29,000,000,000,000

For comparison, the distance from the earth to the sun is a mere 150 million km (approx).

ck1

be pretty big, assuming a coin is 3mm thick about 27670116110546km high and you'd need one hell of a wallet

landie

You couldn't do it without gluing them together, once you have escaped the Earth's atmosphere they would float away. You need to add 2 to the power of 63 smidgens of glue.

bricro

This used to be about grains of rice for the dowry of a chinaman's daughter.

Answer was, not enough rice in the world.

1 to 4 of 4

Do you know the answer?