Parts of the following sentence have been given as options. Select the option that contains an error.Hiking across an Himalayas is going to be a tough task for a beginner.

The error lies in the part "an Himalayas is".Definite geographical features like mountain ranges (e.g., Himalayas, Alps) always take the definite article 'the' before them, not the indefinite article 'an'.The correct sentence should be: "Hiking across the Himalayas is going to be a tough task for a beginner."