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Among 132 examinees of a certain school, the ratio of successful to unsuccessful students is 9 : 2. Had 4 more students passed, then the ratio of successful to unsuccessful students would have been
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- 14 : 3
- 14 : 5
- 28 : 3
- 28 : 5
Correct Option: D
Successful students
| ⇒ | × 132 = 24 | |
| 11 |
When 4 more students succeed,
Required ratio
= (108 + 4) : (24 – 4)
= 112 : 20 = 28 : 5
