- #1

- 18,633

- 8,578

Where must these 8 marks be?

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- Thread starter Greg Bernhardt
- Start date

- #1

- 18,633

- 8,578

Where must these 8 marks be?

- #2

- 3,891

- 3

At the beginning, and a centimeter apart each, is my guess.

- #3

- 18,633

- 8,578

Originally posted by Mentat

At the beginning, and a centimeter apart each, is my guess.

You can only have eight marks

- #4

iansmith

Staff Emeritus

Science Advisor

Gold Member

- 1,318

- 2

- #5

- 60

- 0

0,5 cm

1,0 cm

3,0 cm

6,0 cm

10,0 cm

15,0 cm

21,0 cm

28,0 cm

just guessing [?]

1,0 cm

3,0 cm

6,0 cm

10,0 cm

15,0 cm

21,0 cm

28,0 cm

just guessing [?]

- #6

- 502

- 1

Also to point out about the last brain teaser, I would have said compressed gasses (as it seems recent planetary science has led to the idea that outter planets would not have enough rocky material that far out to form large rocky cores. Mainly from evidence from exosolar systems, but ultimately I suppose it is the accepted answer).

- #7

- 18,633

- 8,578

Originally posted by iansmith

How do you measure 3cm or 5cm then?

- #8

- 60

- 0

1,0 cm

2,0 cm

3,0 cm

4,0 cm

5,0 cm

6,0 cm

7,0 cm

8,0 cm

together they add up to 36 cm

- #9

- 79

- 0

Then at 9

At 4.5

Divide that space in 3 so you have 1.5 and 3.0

And divide the 3.0 marking into 3 as well.

- #10

- 79

- 0

- #11

- 18,633

- 8,578

Originally posted by cytokinesis

Then at 9

At 4.5

Divide that space in 3 so you have 1.5 and 3.0

And divide the 3.0 marking into 3 as well.

all full centimeter values from 1 to 36 cm directly from the ruler. how do you find 5cm?

Nah, thats cheating, you must be able to read all full centimeter values from 1 to 36 cm directly from the ruler. no copying or using the ruler twice.after you have the first centimetre then you can copy the 1 cm length over the ruler to measure everything

- #12

Hurkyl

Staff Emeritus

Science Advisor

Gold Member

- 14,950

- 19

I will mark

1, 3, 6, 13, 20, 27, 31, and 35 centimeters on my ruler.

1, 3, 6, 13, 20, 27, 31, and 35 centimeters on my ruler.

- #13

- 18,633

- 8,578

Originally posted by Hurkyl

I will mark

1, 3, 6, 13, 20, 27, 31, and 35 centimeters on my ruler.

Hurkyl wins the point! btw Hurkyl check your pm

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