Puzzle 1:
You are given 12 billiard balls that all appear identical in color, size, weight, texture, composition, etc. But one of the balls is either slightly lighter or slightly heavier than the other 11. You have a simple balance scale. Describe the process that will allow you to determine which ball is different, and if it is heavier or lighter. Oh... you can only use the scale THREE times.
Puzzle 2:
A bottle of wine cost 10$. The wine was worth 9$ more than the bottle. How much was the bottle worth?
Puzzle 3:
You have two buckets - one holds exactly 5 gallons and the other 3 gallons
How can you measure out 4 gallons of water into the 5 gallon bucket ?
(Assume that you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)
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3 comments:
Puzzle 1:
12 billiard balls
group 4 4 4 balls
compare 2 4-ball group
eliminate 8
remaining 4
compare 2 2
swap 1 from each group.
compare 2 2 after swapping
Puzzle 2:
Wine 9$ bottle 1$
Puzzle 3:
5G-can 3G-can
0 <-- 3
3 <-- 3
5 <-- 1
0 (empty) 1
0 <-- 1
1 <-- 3
4
puzzle 1:
* Didn't tell us, how are you going to identify the "1" which is
either slightly bigger/smaller?.
puzzle 2:
Is it bottle cost 1$ ,how?.
puzzle 3:
Brilliant..Thanks Reemus.
puzzle 3:
5Gc 3Gc
0 3
3 0
3 3
5 1
0 1
1 3
4 0
This makes things very clear, I find you have leapfrogged few steps. Brilliant..thanks.
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