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What is A district has a total population of 10 lacs, with under 16 population being 30%. The prevalence of blindness is 0.8/1000 among under 16 population. Calculate the total number of blind among under 16 population in the district - and explain in detail?
In this question, population of under-16 is 3 lacs (30% of 10 lacs).
Prevalence of blindness is 0.8 every 1000 under-16 population.
So total number of blind among under-16 population = 0.8 x 300000/1000 = 240