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Three for Mr Piper

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Marsh | 18:59 Sat 12th Mar 2005 | Quizzes & Puzzles
6 Answers
1)  A group of aeroplanes is based on a small island.  The tank of each holds just enough fuel to take it halfway around the world. Any desired amount of fuel can be transferred from the tank of one plane to the tank of another while in flight.  The only source of fuel is on the island, and for the purposes of the problem it is assumed that there is no time taken in transferring fuel either in the air or on the ground.
What is the smallest number of planes that will ensure the flight of one plane around the world on a great circle, assuming that all the planes have the same constant ground speed and fuel consumption and that all the planes return safely to their bases
2) Same problem but a full tank takes a plane only a quarter of the way around.
3) According to the Bible, what was the earliest banking transaction?
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Is this a private quiz or is anyone else allowed to answer?

1) Does mr piper (& Marsh) agree the answer is 3

Question Author
Give him another day, perhaps. The fun is in the solving, after all.
Question Author

Open season :-)

1) Yes, Ray, three is the answer.

2) I regret asking this now.  My planes keep crashing all over the planet because there are too many for me to keep track of.  I will believe anything anbody says (almost)

3) This is a riddle, quite old and rather silly - just like me, really.  I'll tell you Tuesday evening.

Number 2 - I am unsure if it can be done without dozens of aircraft.

Number 3 - Exchanging a rib for a woman? An apple for knowledge? My detailed biblical knowledge isn't what it should be - as you can tell from my other theory section

Question Author
The first banking transaction in the Bible was when the Egyptians received a check (cheque) on the Bank of the Red Sea after it had been crossed by Moses.
I said it was silly.

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