how long does it take for fold mountains to create????????????

Question: how long does it take for fold mountains to create????????????
- Keywords:
  mountain
Asked by xmas43ear to Daoud, Janis on 12 Nov 2019.
- Janis Aleksans answered on 12 Nov 2019:
  
  Very long time. Himalayas, which are the highest mountains, started to form more than 200 million years ago.

Question: how long does it take for fold mountains to create????????????