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Thanked: 237 times
GMAT Score:730

Re: Progression

by logitech » Tue Nov 11, 2008 10:25 am
gmat009 wrote:Find the value of

1-2-3 + 2-3-4+.........+ 100 terms
1-2-3
2-3-4
3-4-5
4-5-6
....

100-101-102

+
-----------------------

1-(3+4+5+6+....102)

1-((102*103/2) - 3)

= - 5249

Do I make any sense here ? :shock:
LGTCH
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Re: Progression

by stop@800 » Tue Nov 11, 2008 10:41 am
logitech wrote:
gmat009 wrote:Find the value of

1-2-3 + 2-3-4+.........+ 100 terms
1-2-3
2-3-4
3-4-5
4-5-6
....

100-101-102
I think 100 terms means we should go till
33-34-35 +36

+
-----------------------

1-(3+4+5+6+....102)

1-((102*103/2) - 3)

= - 5249

Do I make any sense here ? :shock:
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Master | Next Rank: 500 Posts
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Re: Progression

by gmat009 » Tue Nov 11, 2008 12:01 pm
stop@800 wrote: I think 100 terms means we should go till
33-34-35 +36
Stop

can you explain this step
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User avatar
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Posts: 2134
Joined: Mon Oct 20, 2008 11:26 pmFollowed by: 25 members
Thanked: 237 times
GMAT Score:730

Re: Progression

by logitech » Tue Nov 11, 2008 12:13 pm
gmat009 wrote:
stop@800 wrote: I think 100 terms means we should go till
33-34-35 +36
Stop

can you explain this step
gmat009,

Dude, this is not even a proper question okay. So what does 100 term mean ? Your guess is as good as mine.

100th term ? 100 term ? bla bla..so please post the full question so we dont need to play word puzzle games.

Thanks man!
LGTCH
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