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#1 2009-04-02 19:20:49

prys
Guest

Palindromic number??? Help!!

1221 is a palindromic number. when it is divided by a certain two-digit palindromic number, the
result is a three-digit palindromic number. what are the two and three-digit palindromic numbers.

Your will be appreciated.

#2 2009-04-02 20:39:47

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,045

Re: Palindromic number??? Help!!

The two digit palindrome number is 11.
The three digit palindrome number is 111.

.


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 2009-04-02 22:15:48

MathsIsFun
Administrator
Registered: 2005-01-21
Posts: 7,713

Re: Palindromic number??? Help!!

Solved ... just like that.


"The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  - Leon M. Lederman

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#4 2009-04-03 00:50:57

Devantè
Real Member
Registered: 2006-07-14
Posts: 6,400

Re: Palindromic number??? Help!!

Just recognise that 11³ - 11² - 11¹ = 11² - 11¹ + 11[sup]0[/sup]

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