Unified Olympiad Answer Key and question paper solutions 2018-2019 (Updated) available here, so candidates can check class wise answer key for UCO 2018 exam.
Answer Key – Question Paper Code UC343
| Class 2 | Class 3 |
| Class 4 | Class 5 |
| Class 6 | Class 7 |
| Class 8 | Class 9 |
| Class 10 |
Answer Key – Question Paper Code UC347
| Class 2 | Class 3 |
| Class 4 | Class 5 |
| Class 6 | Class 7 |
| Class 8 | Class 9 |
| Class 10 |
