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E: 31/05 Win a Mensa Brain Trainer console (x2 - email)
One-Eye
Posts: 72,838 Forumite
Mensa Details
A recycling factory makes its own paper cups for canteen use.
It can make one cup from nine used ones.
If it has 961 used cups how many new ones can it possibly make.
In case anybody wants to try it themselves I have blanked out my answer - If you click and hold your mouse button down on the word "Answer" below then drag your mouse down the page the answer will be revealed.
Suggested Answer:-
Answer = 120
1) Uses 954 from 961 cups to make 106 with 7 left over
2) Uses 108 from 113 cups to make 12 with 5 left over
3) Uses 9 cups from 17 to make 1 with 8 left over.
4) Uses 9 cups from 9 to make 1 with 0 left over
106+12+1+1 = 120
Email the answer with your full name and address to [EMAIL="puzzles@mensa.org.uk"]puzzles@mensa.org.uk[/EMAIL]
Subject: May 2011 Prize Puzzle - Mensa Website Competition
Congratulations to last month's winners: M Williams, Preston and K Snooks, Exeter. The correct answer was: 18.
A recycling factory makes its own paper cups for canteen use.
It can make one cup from nine used ones.
If it has 961 used cups how many new ones can it possibly make.
In case anybody wants to try it themselves I have blanked out my answer - If you click and hold your mouse button down on the word "Answer" below then drag your mouse down the page the answer will be revealed.
Suggested Answer:-
Answer = 120
1) Uses 954 from 961 cups to make 106 with 7 left over
2) Uses 108 from 113 cups to make 12 with 5 left over
3) Uses 9 cups from 17 to make 1 with 8 left over.
4) Uses 9 cups from 9 to make 1 with 0 left over
106+12+1+1 = 120
Email the answer with your full name and address to [EMAIL="puzzles@mensa.org.uk"]puzzles@mensa.org.uk[/EMAIL]
Subject: May 2011 Prize Puzzle - Mensa Website Competition
Congratulations to last month's winners: M Williams, Preston and K Snooks, Exeter. The correct answer was: 18.
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