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Can anyone enlighten me on no prop questions such as the

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Senior Manager
Senior Manager
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Joined: 05 Oct 2008
Posts: 270

Kudos [?]: 515 [0], given: 22

Can anyone enlighten me on no prop questions such as the [#permalink]

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New post 16 Nov 2008, 08:42
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Can anyone enlighten me on no prop questions such as the following. When do you apply the "plus 1" rule? On which of the foll qs would that rule apply and why? Thanks for our time.

what is the sum of consecutive numbers between 200 & 400?

what is the sum of all numbers from 31 to 300

what is the number of integers less than 5000 that are evenly divisible by 3

how many numbers between 10 and hundred ie divisible by 3?

Last edited by study on 16 Nov 2008, 09:15, edited 1 time in total.

Kudos [?]: 515 [0], given: 22

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CEO
CEO
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Joined: 17 Nov 2007
Posts: 3585

Kudos [?]: 4474 [0], given: 360

Concentration: Entrepreneurship, Other
Schools: Chicago (Booth) - Class of 2011
GMAT 1: 750 Q50 V40
GMAT ToolKit User Premium Member
Re: Lines [#permalink]

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New post 16 Nov 2008, 08:59
V=a^3 ---> a=4

shortest line: Ls=a=4
longest line (diagonal): Ll=sqrt(3)*4

range: \([4*\sqrt{3};4]\)
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Kudos [?]: 4474 [0], given: 360

Intern
Intern
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Joined: 28 Jul 2008
Posts: 30

Kudos [?]: 2 [0], given: 0

Re: Lines [#permalink]

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New post 16 Nov 2008, 09:04
4 - 4x(Cube root of 3)

Kudos [?]: 2 [0], given: 0

Intern
Intern
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Joined: 28 Jul 2008
Posts: 30

Kudos [?]: 2 [0], given: 0

Re: Lines [#permalink]

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New post 16 Nov 2008, 09:05
4 - 4x(Cube root of 3)

Kudos [?]: 2 [0], given: 0

Re: Lines   [#permalink] 16 Nov 2008, 09:05
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Can anyone enlighten me on no prop questions such as the

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