how can you plant 10 trees in 5 rows of four trees each?

2) you have a 5-liter bucket and a 3-liter bucket and NO OTHER MEASURING device . using these buckets how can you measure out exactly 4 liters of water.

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- Dec 8th 2008, 07:35 PMana1808how can you plant 10 trees in 5 rows of 4 trees each?
how can you plant 10 trees in 5 rows of four trees each?

2) you have a 5-liter bucket and a 3-liter bucket and NO OTHER MEASURING device . using these buckets how can you measure out exactly 4 liters of water. - Dec 8th 2008, 08:55 PMSoroban
Hello, ana1808!

These are both classic (very old) puzzles . . .

Quote:

How can you plant 10 trees in 5 rows of four trees each?

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I'll let someone else explain the second one . . .

- Dec 20th 2008, 08:48 AMGrandadBuckets
Hello ana1808 -

Did anyone give you an answer to this?

Fill the small bucket; tip it into the big bucket.

Re-fill the small bucket; fill the big bucket from it, and now empty the big bucket away. You have one litre left in the small bucket. Tip this into the big bucket.

Re-fill the small bucket; tip it into the big bucket, which now holds 4 litres. (Sorry about the British spelling; I couldn't bring myself to write liter. Oops! I just did!)

Grandad

- Dec 22nd 2008, 07:44 AMsuperevilcube
Delete. Sorry, didn't see other posts for some reason.

- Dec 22nd 2008, 12:43 PMvinnybad
I can tell u 2 right away.

+ fill up 3 gal, put it in the 5 gal

+ fill up 3 gal, fill up the 5-gal (you will have 1 gal left in 3 gal)

+ empty the 5-gal

+ pour the last gallon from the 3-gal into the 5-gal

+ fill up 3-gal, pour it into the 5-gal....

to get 4 gallons exactly!