Question

A fish tank has a large number of fish. 200 are taken

out, given a red mark, and put back. They get mixed with

the others. When 300 fish are pulled out later, you find

that there are 20 red marked fish. Based on this can you

guess how many fish are there in the tank, approximately?

A) 6000

B) 3000

C) 12000

D) 1000
Please answer! Urgent! ​

Answer 1

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