The table gives the activity-wise enrolment in a school for 2020-21. A total of 3000 students, including 1750 girls, are enrolled. The first column is each activity's share of all 3000 students; the second is its share of the 1750 girls.
| Activity | Share of students (3000) | Share of girls (1750) |
|---|---|---|
| Swimming | 16% | 14% |
| Singing | 21% | 28% |
| Drawing | 14% | 16% |
| Dancing | 24% | 20% |
| Handicraft | 25% | 22% |
What is the approximate percentage of boys in the school?
A42% ✓ Correct
B28%
C34%
D50%
Correct answer: (A) 42%
Explanation
Boys number 3000 minus 1750 = 1250; 1250 over 3000 times 100 is about 42%. Hence option A.
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