Math Is Fun Forum

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,423

10 Second Puzzle

Add together five different numbers from the grid below to get the highest total possible. No two numbers in the same row, same column or the same diagonal should be chosen.
Time limit : 10 seconds, from the time you finish reading the question.

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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.

mathsyperson

Moderator

Registered: 2005-06-22

Posts: 4,900

Re: 10 Second Puzzle

I can get a total of 99, but I don't know if that's optimal.

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Why did the vector cross the road?
It wanted to be normal.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,423

Re: 10 Second Puzzle

Yes, that is the best, mathsy!

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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.

sony

Member

Registered: 2009-03-16

Posts: 2

Re: 10 Second Puzzle

I liked it. Look's exactly like this game -

http://www.flashgamescity.net/index.php?params=game/144/Grid-Logic/