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The total number of employees on the payroll of Corporation X was what

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The total number of employees on the payroll of Corporation X was what [#permalink]

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New post 19 Aug 2017, 11:06
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The total number of employees on the payroll of Corporation X was what percent greater on June 30 than it had been on June 1 of the same year?

(1) During the month of June, 15 employees were dropped from the payroll.
(2) During the month of June, 37 employees were added to the payroll.

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The total number of employees on the payroll of Corporation X was what [#permalink]

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New post Updated on: 19 Aug 2017, 20:39
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SajjadAhmad wrote:
The total number of employees on the payroll of Corporation X was what percent greater on June 30 than it had been on June 1 of the same year?

(1) During the month of June, 15 employees were dropped from the payroll.
(2) During the month of June, 37 employees were added to the payroll.


let total no of employees on 1st June be \(n\) and let by 30th June net increase in employee be \(x\)
So increase % \(= \frac{x}{n}*100\). so to get the value we need the values of \(n\) & \(x\)

Statement 1: confirms only deletion but provides no information regarding the addition of employees during the month. Hence insufficient

Statement 2: confirms only addition but provides no information regarding the deletion of employees during the month. Hence insufficient

Combining 1 & 2 we will get net increase \(x\) \(= 37-15 = 22\). but provides no information regarding \(n\), the total number of employees on Jun 1st. Hence Insufficient

Option E

Originally posted by niks18 on 19 Aug 2017, 20:38.
Last edited by niks18 on 19 Aug 2017, 20:39, edited 1 time in total.
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Re: The total number of employees on the payroll of Corporation X was what [#permalink]

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New post 19 Aug 2017, 20:38
SajjadAhmad wrote:
The total number of employees on the payroll of Corporation X was what percent greater on June 30 than it had been on June 1 of the same year?

(1) During the month of June, 15 employees were dropped from the payroll.
(2) During the month of June, 37 employees were added to the payroll.


Honestly, we do not know what is the initial number.

Even if we combine the statements : Corp X has 22 more employees in the end of June.
- If this is a big company, 1000 employees, its growth is not significant.
- If this is a small company, 50 employees, ist growth is very big.

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Re: The total number of employees on the payroll of Corporation X was what [#permalink]

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New post 19 Aug 2017, 20:40
SajjadAhmad wrote:
The total number of employees on the payroll of Corporation X was what percent greater on June 30 than it had been on June 1 of the same year?

(1) During the month of June, 15 employees were dropped from the payroll.
(2) During the month of June, 37 employees were added to the payroll.



Hi,

Always remember that % is on some NUMERIC value unless given straight..
so here we require a BASE to work on or some straight % calculations are given..

combined ,
we know the change in number that is added-dropped. BUT what is this CHANGE on, what was the initial number-- not known
insuff

E
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Re: The total number of employees on the payroll of Corporation X was what   [#permalink] 19 Aug 2017, 20:40
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