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In 1995 Division A of company X had 4,850 customers. If

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In 1995 Division A of company X had 4,850 customers. If [#permalink]

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New post 22 Jul 2010, 11:45
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1. In 1995 Division A of company X had 4,850 customers. If there were 86 service errors in Division A that year, what was the service-error rate, in number of service errors per 100 customers, for division B company X in 1995?

A. In 1995 the overall service-error rate for Division A and B combined was 1.5 service error per 100 customers?
B. In 1995 Division B had 9,350 custmers, none of whom were customer of Divsion A?



2. If M is a positive odd integer, what is the average(mean) of certain set of M integer?
A. The integers is in the set are consecutive multiple of 3
B. The median of the set of integer is 33

3. If x and Y are integers, and X>0 is Y>0

A. 7x-2y>0
B. -y<x

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Re: Can you please explain the following data sufficency? [#permalink]

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New post 22 Jul 2010, 14:30
Kindly post in the DS forum, and can you give the OA for these? Thanks.

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Re: Can you please explain the following data sufficency? [#permalink]

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New post 22 Jul 2010, 14:39
could you pls tell me what DS forum is? i am new to this group

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Re: Can you please explain the following data sufficency? [#permalink]

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New post 22 Jul 2010, 15:33
I moved this post into the ds forum here: gmat-data-sufficiency-ds-141/
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Re: Can you please explain the following data sufficency? [#permalink]

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New post 22 Jul 2010, 18:17
Already answered:
service-errors-per-100-customers-82078.html
ds-gprep-integers-21936.html

Please search before posting Warning issued.
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Re: Can you please explain the following data sufficency?   [#permalink] 22 Jul 2010, 18:17
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