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#1 2006-03-06 17:08:11

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

A special number

The square and cube of a two digit number, between them, contain all the digits from 0 to 9. Which two digit number? dunno


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#2 2006-03-10 19:49:34

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: A special number

The number is..............

number.jpg

69²=4761 and 69³=328509


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#3 2006-04-05 02:30:46

KelvinKing
Member
Registered: 2006-04-05
Posts: 2

Re: A special number

Is that possible to think of the answer?
I mean, to work out the answer~

Thanks.

Newbie

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#4 2006-04-05 03:06:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: A special number

No, it is not!


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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