Practicing Success
Study the following pie-chart and answer the following question. Total number of students in a college in various fields = 5000 Distribution of the number of students int various fields: What is the difference between the number of boys in IT and number of boys in ECE? |
15 18 21 31 |
21 |
Total number of students of IT = 14% × 5000 = 700 No. of girls in IT = 65% × 700 = 455 No. of boys in IT = 700 - 455 = 245 Total number of students of ECE = 16% × 5000 = 800 No. of girls in ECE = 72% × 800 = 576 No. of boys in ECE = 800 - 576 = 224 Required difference = 245 - 224 = 21 |