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by Haldiram Bhujiawala » Thu Mar 11, 2010 3:42 am
Q: In a forest 150 deer were caught , tagged with electonic markers,then released. A week later , 50 deer were captured in the same forest . Of these 50 deer , it was found that 5 had been tagged with electronic markers.If the percentage of tagged deer in the second sample approximates the percentage of tagged deer in the forest , and if no deer had either left or entered the forest over the preceeding week , what is the approximate number of deer in the forest ?

a) 150

b) 750

c) 1250

d) 1500

e) 2500
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by harsh.champ » Thu Mar 11, 2010 4:20 am
Haldiram Bhujiawala wrote:Q: In a forest 150 deer were caught , tagged with electonic markers,then released. A week later , 50 deer were captured in the same forest . Of these 50 deer , it was found that 5 had been tagged with electronic markers.If the percentage of tagged deer in the second sample approximates the percentage of tagged deer in the forest , and if no deer had either left or entered the forest over the preceeding week , what is the approximate number of deer in the forest ?

a) 150

b) 750

c) 1250

d) 1500

e) 2500

1/10th of deer have electronic markers.
Also,percentage of tagged deer in the second sample approximates the percentage of tagged deer in the forest.
So, the answer is[spoiler] 150 x 10 = 1500 "D"[/spoiler]
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by kstv » Thu Mar 11, 2010 5:45 am
5 tagged corresponds to 50 deer
50 tagged to 50X50 deer
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by outreach » Thu Mar 11, 2010 5:53 am
First sample : total 150 deers caught tagged
second sample: out of 50 only 5 were tagged. so 5 is 10% of 50

Now the stmt "percentage of tagged deer in the second sample approximates the percentage of tagged deer in the forest " means 10% of second sample is equvilaent to 150 deers of first sample.
so if 10% is 150, then 100%= 150*100= 15000

D
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by kstv » Thu Mar 11, 2010 6:20 am
what a Bloomer !
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by Haldiram Bhujiawala » Thu Mar 11, 2010 11:14 am
OA[spoiler]D) 1500[/spoiler]

Now, I have one question to all the students regarding my profile name. I have adopted this name just for fun , but I would like to know whether adopting this name could land me in trouble in terms of trade marks/ copyrights etc , as this is a popular name of a fast food co. in India ? I just want to be on the safe side !
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by harsh.champ » Fri Mar 12, 2010 4:38 am
Haldiram Bhujiawala wrote:OA[spoiler]D) 1500[/spoiler]

Now, I have one question to all the students regarding my profile name. I have adopted this name just for fun , but I would like to know whether adopting this name could land me in trouble in terms of trade marks/ copyrights etc , as this is a popular name of a fast food co. in India ? I just want to be on the safe side !
Well,to be on the safe side,I think it would be better if you chng ur name.
Neways,no haldiram guy is coming to BTG forum,I guess. :)
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by STEVEN SPIELBERG » Sat Mar 13, 2010 11:18 am
D. What's the source ?
I want to win an OSCAR on the GMAT !!!
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