2017 · Q87
The following bar chart shows the number of boys and girls studying four subjects. Mathematics: 150 boys, 90 girls; Physics: 180 boys, 120 girls; Statistics: 70 boys, 250 girls; Chemistry: 136 boys, 204 girls. The number of girls studying Statistics is what percent (approximate) of the total number of students studying Chemistry ?
Elementary MathematicsStatistics
- A58.8
- B73.5
- C78.7
- D80.6
Explanation
Girls studying Statistics = 250; total Chemistry students = 136+204 = 340. 250/340×100 ≈ 73.53%, i.e. about 73.5%. Hence option (B) 73.5.