where on earth meaning in Hindi

Examples

1. Where on earth did we come up with such a goofy idea?
2. Where on earth can you go for a real adventure?
3. In other words, where on Earth will the year 2000 begin?
4. Where on earth did Myto turn up the source tape?
5. For others : Where on Earth do these people live?
6. Where on earth did all this boundless energy come from?
7. Where on earth did you hear that ? "'
8. Where on earth could they be getting the idea?
9. Problem is, where on earth do you start?
10. Where on Earth could that trait have come from?