Match the peeling technique in Column I with the vegetable, for which it is used in industry, given in Column II.
| Column I | Peeling Technique | Column II | Vegetable |
|---|---|---|---|
| P | Knife peeling | 1 | Brinjal |
| Q | Abrasion peeling | 2 | Tomato |
| R | Flame peeling | 3 | Potato |
| S | Flash peeling | 4 | Cucumber |
Potato slices weighing 50 kg is dried from 60% moisture content (wet basis) to 5% moisture content (dry basis). The amount of dried potato slices obtained (in kg) is ............ (Answer in integer)