Find the Octal Equivalent for Each of the Following Binary $10111101 _ { 2 }$

Multiple Choice

Find the octal equivalent for each of the following binary numbers.
- $10111101 _ { 2 }$

A) $189 _ { 8 }$
B) $\mathrm { BD } _ { 8 }$
C) $275 _ { 8 }$
D) 11138
E) None of these