Correct Answer:
Impracticable

Solution : The correct answer is option 3.

Explanation:

- The definition of "feasible" is "possible to do conveniently or effortlessly."

- Let's examine the following alternatives' meanings:

• Viable: Able to be carried out effectively; practical.
• - Expedient - Practical and convenient, but potentially wrong or immoral.
• - Attainable - Possibility of attainment; realizable
• Impracticable: Able to neither be done nor carried out in reality.