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In a garrison, there was food for 1000 soldiers for one month.

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In a garrison, there was food for 1000 soldiers for one month.  [#permalink]

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New post 25 Jul 2017, 14:07
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In a garrison, there was food for 1000 soldiers for one month. After 10 days, 1000 more soldiers joined the garrison. How long would the soldiers be able to carry on with the remaining food?


A) 13 days
B) 10 days
C) 25 days
D) 20 days
E) 15 days




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Re: In a garrison, there was food for 1000 soldiers for one month.  [#permalink]

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New post 25 Jul 2017, 19:41
Inten21 wrote:
In a garrison, there was food for 1000 soldiers for one month. After 10 days, 1000 more soldiers joined the garrison. How long would the soldiers be able to carry on with the remaining food?


A) 13 days
B) 10 days
C) 25 days
D) 20 days
E) 15 days




A KUDO = A Thank-you. Send a KUDO across if you found it helpful.

Detailed Answer will be posted within 2 days.


I'm assuming 30 days in a month.

Let the amount of food in the garrison initially be 300,000 units. So we have 100 units of food per soldier per day.

After 10 days, the amount of food that will be left = 300,000 - (100*1000) = 200,000. But the number of soldiers is being doubled after 10 days, so if the initial food was meant to last for 20 more days, now it will last for only 10 days. Ans - B.

--== Message from the GMAT Club Team ==--

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This discussion does not meet community quality standards. It has been retired.


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Re: In a garrison, there was food for 1000 soldiers for one month.   [#permalink] 25 Jul 2017, 19:41
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