Discuss Forum

1. In a certain country. A person is born every 7 seconds and a person dies every 10 seconds. Therefore, the birth and death rates account for a population growth rate of one person every---

  • A. 6 seconds
  • B. 6 seconds
  • C. 6 seconds
  • D. 6 seconds

Answer: Option D

Explanation:

Born in 1 second=17 and death in 1 second =110birth rate =17person/seconddeath rate=110person/second Nate population growth rate =17-110=370person/second Time for population to growth by370person=1second    "     "         "           "       "     "    1        "    = 1370=703≈23.33second 

Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.