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

### Question Asked by a Student from EXXAMM.com Team

Q 1674823756.     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

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

#### Access free resources including

• 100% free video lectures with detailed notes and examples
• Previous Year Papers
• Mock Tests
• Practices question categorized in topics and 4 levels with detailed solutions
• Syllabus & Pattern Analysis