Directions: In this question, a sentence is given with a blank to be filled in with an appropriate word. Choose the correct alternative out of the four given alternatives.

You can buy this mobile from _______ stores across the country.

Explanation for option 1: This is logically incorrect. Explanation for option 2: This is correct as a number of stores would be selling the mobile. Explanation for option 3: This is grammatically incorrect as it is not known whether the mobile is very easily available. Explanation for option 4: This is grammatically incorrect.