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In a certain country, a person is born every 7 seconds and a person dies in every 13 seconds. Therefore, the birth and death rates account for a population growth rate of one person every----

In a certain country, a person is born every 7 seconds and a person dies in every 13 seconds. Therefore, the birth and death rates account for a population growth rate of one person every---- Correct Answer 15.17 seconds

Hints: 7 second এ জন্মগ্রহন করে 1 জন 1 second এ জন্মগ্রহন করে 1/ 7 জন একইভাবে 13 second এ মৃত্যবরণ করে 1 জন 1 second এ মৃত্যুবরণ করে 1/ 13 জন growth in 1 second = ( 1/7 - 1/13) = 6 / 91 6/91 জন জন্মগ্রহন করে 1 sec 1 জন জন্মগ্রহন করে 91 / 6 second = 15. 17 second এ।

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The Proper sequence should be:
Which of the following statements are correct related to population studies? (A) The Neo-Malthusian theories, contended that in the human population fertility behaviour is conditioned by technological development (B) Thomas Malthus was an English Economist and demographer (C) Population cohort refers to, a group of population unified by a specific common characteristics (D) Crude birth rate refers to birth rates minus death rates (E) Population pyramids are constructed to identify natural growth rate of population Choose the correct answer from the options given below: