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In an examination, 1100 boys and 900 girls appeared. 50% of the boys and 40% of the girls passed the examination. The percentage of candidates who failed
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- 45%
- 45.5%
- 50%
- 54·5%
Correct Option: D
Failed candidates
| = | + | 100 | 100 |
= 550 + 540 = 1090
∴ Required percentage
| = | × 100 = 54.5% | 2000 |
Aliter : Using Rule 25,
B = 1100, b = 50%, G = 900, g = 40%
Percentage of failed candidates
| = | % | B + G |
| = | 1100 + 900 |
| = | 2000 |
| = | = 45.5% | 2 |
