Comprehension Passage
Directions: Study the following information carefully and answer the given questions.
The following table shows the principle amount invested by 5 different persons in a scheme, the number of years and the rate of interest they are provided for the investment and the simple interest they earned after a certain period also given. Some values are missing here.
| Persons | Principle (P) | Number of years (n) | Rate of Interest (r%) | Simple Interest (I) |
| Raj | 60000 | 4 | - | - |
| Jay | - | 12 | 8% | - |
| Sam | 135000 | 4 | 10% | 54000 |
| Ria | - | 6 | - | 43200 |
| Dev | 112500 | - | 12% | - |
If the simple interest earned by Sam is Rs. 13500 less than the simple interest earned by Dev, then find the number of years for which Dev invested the amount.
1
8
2
5
3
6
4
3
5
2