CLAT 2020 Quantitative Techniques: Japanese Encephalitis

The following data presents the cases of Japanese Encephalitis in five states of India

What is the percentage (up to 1 decimal) of females affected by 'Japanese encephalitis' of the total affected population across five states?

Let's calculate the number of females affected by encephalitis in each state...

Number of females affected in a state \(=\frac{\text { ratio of males }}{\text { total ratio }} \times \text { Total number of people effected by encephalitis in a particular state }\)
Number of females affected in Odisha \(=\frac{7}{19} \times 57000=21000\)
Number of females affected in West Bengal \(=\frac{3}{9} \times 45000=15000\)
Number of females affected in Chattisgarh \(=\frac{2}{7} \times 21000=6000\)
Number of females affected in Jharkhand \(=\frac{14}{29} \times 29000=14000\)
Number of females affected in Andhra Pradesh \(=\frac{6}{13} \times 13000=6000\)

Total number of females affected = 21000 + 15000 + 6000 + 14000 + 6000 = 62000.
Total affected population = 57000 + 45000 + 21000 + 29000 + 13000 = 165000.

The percentage of females affected of the total affected population across 5 states \(=\frac{62000}{165000} \times 100=37.57\)% = 37.6% (approx.)

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