Find the odd naumber / letters / word from the given alternative.
Table of Contents
A. 7
B. 15
C. 31
D. 57
Answer & Solution
Answer: Option D
Solution:
All other numbers expressed as a power of 2 minus one.
Thus, 7 = 23 – 1, 15 = 24 – 1, 31= 25 – 1
Also Read:
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