Question 26
Back to Exercise
Choose the number which is different from others in the group.
- A 7
- B 15
- C 31
- D 57 Correct
Correct Answer: Option D
All other numbers can be expressed as a power of 2 minus one.
Discussion & Comments 0
Share your method, a shortcut, or ask about a step you didn't follow.
No comments yet. Be the first to share your solution!