Question
Number of girls in school B in 2020 are increased by
20% over previous year while number of boys are decreased by 14(2/7)%. Total students in school B in year 2020 are what percent more or less than the total students in school D in year 2019? Study the pie chart given below and answer the following questions. Pie charts shows the percentage distribution of total students in 5 different schools (A, B, C, D nad E) and percentage distribution of total boys in these 5 schools in year 2019.Solution
Total students in school B in year 2020 = (120/100) × 330 + (6/7) × 420 = 756 Required percentage = [(756 – 600)/600] × 100 = 26%
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