What is IUPAC name of following compound?

What is IUPAC name of following compound?

1. 2-Ethyl-3-methylcyclopentanol
2. 2-Methyl-3-ethylcyclopentanol
3. 1-Methyl-3-ethylcyclopentan-2-ol
4. 2-Ethyl-5-methylcyclopentanol

Asked in: MHT CET 2023 (13 May Shift 2)

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