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The ratio of the number of boys to that of girls in a village is 3 : 2. If 30% of boys and 70% of girls appeared in an examination, the ratio of the number of villagers, appeared in the examination to that not appeared in the same examination is
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- 9 : 14
- 23 : 27
- 1 : 1
- 27 : 23
Correct Option: B
Given , Ratio = 3 : 2
Let Boys in the village = 3k
Girls in the village = 2k
| Villagers who appeared in the examination = | + | |||
| 100 | 100 |
| Villagers who appeared in the examination = | + | = | ||||
| 10 | 10 | 10 |
| Villagers who did not appear in the examination = | + | |||
| 100 | 100 |
| Villagers who did not appear in the examination = | + | = | ||||
| 10 | 10 | 10 |
| ∴ Required ratio = | : | = 23 : 27 | ||
| 10 | 10 |
