The given pie-charts show the population of villages A, B, C and D (in percentage) in year 2021 and 2022. Total population in 2021 and 2022 is 2,80,000 and 2,75,000 respectively. Year 202120%28%22%30%Year 202228%22%30%20% Village AVillage BVillage CVillage D Find the ratio between the total population in village B and C together in 2021 to the total population in village C and D in 2022.
56 : 55
From the pie-charts, the population percentages are: 2021 — A: 20%, B: 28%, C: 22%, D: 30%; 2022 — A: 28%, B: 22%, C: 30%, D: 20%.
Population of villages B and C together in 2021 = (28% + 22%) of 2,80,000 = 50% of 2,80,000 = 1,40,000.
Population of villages C and D together in 2022 = (30% + 20%) of 2,75,000 = 50% of 2,75,000 = 1,37,500.
Required ratio = 1,40,000 : 1,37,500 = 56 : 55 (dividing both terms by 2,500).
Hence, the correct answer is 56:55.
Important Questions from Pie Chart
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