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% |
How many boys are enrolled in Singing and Handicraft taken together?
A485
B505 ✓ Correct
C420
D585
Correct answer: (B) 505
Explanation
Students in Singing and Handicraft are 46% of 3000 = 1380 and the girls are 50% of 1750 = 875, so the boys are 1380 minus 875 = 505. Hence option B.
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