Question
The population of a village two
years ago was 'X'. Over the next two years, the population increased by 30% in the first year and 40% in the second year, resulting in a current population of 1,27,400. If women constituted 45% of the total population two years ago, what was the men’s population in the village at that time?Solution
ATQ, X × 1.3 × 1.4 = 1,27,400 Or, 'X' = (1,27,400/1.82) = 70,000 Therefore, men population two years ago = 0.55 × 70,000 = 38,500
Who is often referred to as the father of microbiology and observed bacteria and protozoa using microscopes?
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2. �...
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