A biologist studies the population of rats in a barn. He found that the average mortality was `240`, average natality `2

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Q 1624023851.     A biologist studies the population of rats in a barn. He found that the average mortality was `240`, average natality `250`, immigration `20` and emigration `30`. The net increase in population is
AIPMT 2013
A

`10`

B

`15`

C

`05`

D

`Zero`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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