Latest MBA Aptitude Question SOLUTION: Abiologist catches a random sample of 60 fish from a lake, tags them andreleases them. Six months later she catches a random sample of 70 fishand finds 3 are tagged. She assumes 25

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(#M40016168) MBA question set theory, logarithms, ratio proportion & variation Keep an EYE

Abiologist catches a random sample of 60 fish from a lake, tags them andreleases them. Six months later she catches a random sample of 70 fishand finds 3 are tagged. She assumes 25% of the fish in the lake on theearlier date have died or moved away and that 40% of the fish on thelater date have arrived (or been born) since. What does she estimate asthe number of fish in the lake on the earlier date?

1) 420
2) 560
3) 630
4) 720
5) 840

Asked In MBA (11 years ago)

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