<prompt> 50 people are suffering from cholera in a population of 5000.Out of 50, suffering from cholera, 10 died. But the total deaths are 50. What is the crude death rate -1 per 10005 per 100010 per 100020 per 100  <response>: Ans, is C 10 per 1000 Mention of cholera is just to confuse students.. o In this question : Mid year population 5000 Total death 50 Patients of cholera 50 Death due to cholera 10 Here is a similar example- Follow these steps, substitute the numericals in the question and arrive at the answer. o The simplest measure of mortality is crude death rate o Other mortality rates which can be calculated in this question are - 1 Specific death rate due to cholera 2 Proportional mortality rate 3 Case fatality rate- 