Question

There are 10 true-false questions in a examination. Then these questions can be answered in:

• A. 100 ways
• B. 20 ways
• C. 512 ways
• D. 1024 ways

Answer 1

Answer: (D)

1024 ways

Answer 2

There are 10 questions with options of false/true. It means each question has two options. Thus the number of ways that these questions can be answered $= 2^{10} = 1024$ ways.