Math Is Fun Forum

tony123

Member

Registered: 2007-08-03

Posts: 229

Magic square

Fill in the Magic square 5×5 with numbers from 1 to 25 such that the side totals and diagonal totals equal 65.

ZHero

Real Member

Registered: 2008-06-08

Posts: 1,889

Re: Magic square

I know a Rule used for filling in Any Magic Square with Odd no. of Squares (9, 25, 49 etc.). It can be found in Wikipedia.. Search for Magic Squares!!

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If two or more thoughts intersect, there has to be a point!

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 46,328

Re: Magic square

3   7   14   16   25
11  23 20   2     9
22  4    6   15   18
10  13  17  24   1
19  21   5    8   12

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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.

careless25

Real Member

Registered: 2008-07-24

Posts: 560

Re: Magic square

3   7   14   16   25
11  23 20   2     9
22  4    6   15   18
10  13  17  24   1
19  21   5    8   12

12+6+3+23+24 /= 65
ganesh diagonals 2!:P

Last edited by careless25 (2008-11-24 15:04:26)

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 46,328

Re: Magic square

I guess some mistake crept in. Here's the solution.

17    24    1    8    15
23    5    7    14    16
4    6    13    20    22
10    12    19    21    3
11    18    25    2    9

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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.