For six schools A–F (2019–2022): boys percentage among Board exam candidates and the boys−girls difference. Only the stated entries are given.
| School | Year | Boys (%) | Boys − Girls Difference |
|---|---|---|---|
| E | 2019 | 75% | 280 |
| E | 2020 | 60% | 136 |
| E | 2021 | 70% | 264 |
| E | 2022 | 66% | 224 |
| C | 2019 | 44% | 60 |
| C | 2020 | 55% | 24 |
| A | 2020 | 60% | 70 |
| B | 2020 | 48% | 18 |
| B | 2022 | 60% | 90 |
| D | 2020 | 57% | 84 |
| F | 2019 | 44% | 90 |
| F | 2020 | 56% | 96 |
What is the total number of girls who appeared in the examination from all six schools in 2020?
A1364 ✓ Correct
B1386
C1404
D1414
Correct answer: (A) 1364
Explanation
The total number of girls in 2020 is 1364.
In each school the difference gives the total, and girls are the girls percent of it.
School A gives 140 girls, school B 234 and school C 108.
School D gives 258 girls and school E 272.
School F gives 352 girls.
Adding 140, 234, 108, 258, 272 and 352 gives 1364.
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