Brain Teasers
The Fly and the Flea
A fly and a flea are trapped in a flue
said the fly to the flea 'to flee is some number times 3'
Said the flea to the fly 'but 3 squared is too high'
responds the fly 'but it'll also do to have some number times 2'
'Agreed' said the flea 'Then so it shall be'
So now it is up to you.
How far must the fly and the flea fly to flee the flue?
said the fly to the flea 'to flee is some number times 3'
Said the flea to the fly 'but 3 squared is too high'
responds the fly 'but it'll also do to have some number times 2'
'Agreed' said the flea 'Then so it shall be'
So now it is up to you.
How far must the fly and the flea fly to flee the flue?
Answer
6 units (pick your own)3 squared is too high, so we know it is less than nine. Since 3 and 2 are factors there is only one number less than 9 with that property.
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