Q196 / 270 · NDA 2015 (Phase 1) · Mathematics
The decimal number $(127.25)_{10}$, when converted to binary nunber, takes the form
- A$(11111111.11)_2$
- B$(1111110.01)_2$
- C$(1110111.11)_2$
- Correct answerD$(1111111.01)_2$
Solution
$(127.25)_{10}$
Now,
\begin{array}{l|l}2 & 127 \\\hline 2 & 63-1 \\\hline 2 & 31-1 \\\hline 2 & 15-1 \\\hline 2 & 7-1 \\\hline 2 & 3-1 \\\hline & 1-1\end{array}
$127=(1111111)_2$
Now,


$\therefore \quad(127.25)_{10}=(11111111.01)_2$ $\therefore \quad$ Option (D) is correct.


$\therefore \quad(127.25)_{10}=(11111111.01)_2$ $\therefore \quad$ Option (D) is correct.
Hence, the correct answer is option: 'D'.