The first International Day of Clean Air for blue skies is/was celebrated in which year?
Q. The first International Day of Clean Air for blue skies is/was celebrated in which year?
- 2017
- 2018
- 2019
- 2020
Answer: 2020
Take Mock Tests
| Government Schemes Mock Test | Start Test! |
| Political Science Mock Test – 42 | Start Test |
| History Test – 190 | Start Test |
| Quantitative Aptitude Test | Start Test! | Data Interpretation - Mock Test | Start Test! |
| General Awareness - Mock Test | Start Test! |
| Reasoning Ability - Mock Test | Start Test! |