What is the IUPAC name of following compound?

What is the IUPAC name of following compound?
  1. 1 - Methoxy - 2,2-dimethylcyclobutane
  2. 1 - Methoxy - 4, 4-dimethylcyclobutane
  3. 2 - Methoxy - 1,1 - dimethylcyclobutane
  4. 2,2-dimethylcyclobutoxymethane

Asked in: MHT CET 2024 (02 May Shift 2)

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