Answer:
The correct option is 4.
Explanation:
It is given that the total number of questions is 5. Each question has possible answers either true or false.
Total possible ways to answer the first question = 2
Similarly,
Total possible ways to answer the each question = 2
Total number of ways to answer 5 questions is

Total number of ways to answer 5 questions is 32. Therefore the correct option is 4.