John C. Walden is retiring.

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gmatmachoman: Legendary Member; Posts: 2326; Joined: Mon Jul 28, 2008 3:54 amFollowed by: 2 members; Thanked: 173 times; GMAT Score:710

by gmatmachoman » Mon May 31, 2010 12:43 am

After a long career, John C. Walden is retiring. If there are 25 associates who contribute equally
to a parting gift for John in an amount that is an integer, what is the total value of the parting gift?

1) If four associates were fired for underperformance, the total value of the parting gift
would have decreased by $200
2) The value of the parting gift is greater than $1,225 and less than $1,275

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Source: Beat The GMAT — Data Sufficiency | Mon May 31, 2010 12:43 am

selango: Legendary Member; Posts: 1460; Joined: Tue Dec 29, 2009 1:28 amFollowed by: 7 members; Thanked: 135 times

by selango » Mon May 31, 2010 1:11 am

Let p be the price paid by each assosciate and n be total value of the gift.

-->25*p=n

From stmt1,

21*p=n-200

21p=25p-200

p=50

n=25*50

1250

sufficient.

From stmt 2,1225>n<1275

n will be multiple of 50.

if v calculate p will be only 50

sufficient.

So D

Last edited by selango on Mon May 31, 2010 1:14 am, edited 1 time in total.

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gmatmachoman: Legendary Member; Posts: 2326; Joined: Mon Jul 28, 2008 3:54 amFollowed by: 2 members; Thanked: 173 times; GMAT Score:710

by gmatmachoman » Mon May 31, 2010 1:12 am

selango wrote:Let p be the price paid by each assosciate and n be total value of the gift.

-->25*p=n

From stmt1,

21*p=n-200

21p=25p-200

p=50

n=25*50

1250

sufficient.

From stmt 2,1225>n<1275,Not sufficient

So answer is A

bhai,

Hmm...take one more chance...!

R&D on GMAT algorithm:

https://www.beatthegmat.com/r-d-on-gmat- ... tml#305739

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selango: Legendary Member; Posts: 1460; Joined: Tue Dec 29, 2009 1:28 amFollowed by: 7 members; Thanked: 135 times

by selango » Mon May 31, 2010 1:15 am

gmatmachoman wrote:
selango wrote:Let p be the price paid by each assosciate and n be total value of the gift.

-->25*p=n

From stmt1,

21*p=n-200

21p=25p-200

p=50

n=25*50

1250

sufficient.

From stmt 2,1225>n<1275,Not sufficient

So answer is A
bhai,

Hmm...take one more chance...!

My silly mistake..I have edited it

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liferocks: Legendary Member; Posts: 576; Joined: Sat Mar 13, 2010 8:31 pmFollowed by: 1 member; Thanked: 97 times

by liferocks » Mon May 31, 2010 1:36 am

from 1,
amount contributed by 4 associates =$200
so amount contributed by each associate=200/4=$50...sufficient

From 2
only integer which is greater than $1,225 and less than $1,275 and divisible by 25 is 1250...sufficient

Ans option D

"If you don't know where you are going, any road will get you there."
Lewis Carroll

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