The number 25 when converted from the tens and units base to the binary base (base two) is one of the following
A
10011
B
111011
C
111000
D
11001
E
110011
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
\(\begin{array}{c|c} 2 & 25\\2 & 12 R 1\\2 & 6 R 0\\2 & 3 R 0\\2 & 1 R 1\\2&0 R 1\end{array}\)
= (11001)
Source: Myschool Past Questions Archive (Record #32589)