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In a certain pond, 50 fish were caught, tagged, and returned [#permalink]
18 Aug 2011, 10:50

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Difficulty:

25% (medium)

Question Stats:

77% (01:57) correct
23% (01:38) wrong based on 116 sessions

In a certain pond, 50 fish were caught, tagged, and returned to the pond. A few days later, 50 fish were caught again, of which 2 were found to have been tagged. If the percent of tagged fish in the second catch approximates the percent of tagged fish in the pond, what is the approximate number of fish in the pond?

Re: Fish - World Problem!! [#permalink]
18 Aug 2011, 10:56

DeeptiM wrote:

In a certain pond, 50 fish were caught, tagged, and returned to the pond. A few days later, 50 fish were caught again, of which 2 were found to have been tagged. If the percent of tagged fish in the second catch approximates the percent of tagged fish in the pond, what is the approximate number of fish in the pond? (A) 400 (B) 625 (C) 1,250 (D) 2,500 (E) 10,000

2/50 re-caught means that 50 fish represents 1/25th of all fish in the pond. 50*25 = 1250, C

Re: In a certain pond, 50 fish were caught, tagged, and returned [#permalink]
09 Dec 2013, 16:48

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Re: In a certain pond, 50 fish were caught, tagged, and returned [#permalink]
25 Mar 2015, 09:15

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