The following table gives the percentage of total students and also girl…
2020
The following table gives the percentage of total students and also girl students enrolled in five schools (A-E). The total number of students is 4500, while the total number of girl students is 2000. Based on the data of the table, answer the questions that follow.
School Name | % of Total Students Enrolled | % of Girl Students Enrolled |
|---|---|---|
A | 20% | 15% |
B | 30% | 35% |
C | 25% | 12% |
D | 15% | 25% |
E | 10% | 13% |
Ques: The total number of girls enrolled in schools A and B together is
- A.
740
- B.
760
- C.
940
- D.
1000
Show answer & explanation
Correct answer: D
CONCEPT: In a percentage-distribution table, a row percentage tells what fraction of the stated total belongs to that row. To convert a percentage share into a count, multiply the matching total by percentage/100.
When a question asks for two categories together, first add their percentages from the same column, then apply that combined share to the corresponding total.
The relevant column is "% of Girl Students Enrolled", and its stated total is 2000 girl students.
For schools A and B, the shares are 15% and 35%, so the combined share is 15% + 35% = 50%.
Number of girls = 50/100 x 2000 = 1000.
CROSS-CHECK: Separately, school A contributes 15% of 2000 = 300 girls and school B contributes 35% of 2000 = 700 girls. Their sum is 300 + 700 = 1000, so the required result is 1000.