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Question: Answered & Verified by Expert
In a binary number system, assume that $a=00111$ and
$b=01110$, then in a decimal system $\frac{b}{a}$, which is equal to
MathematicsSets and RelationsNDANDA 2011 (Phase 1)
Options:
  • A 1
  • B 2
  • C 4
  • D 5
Solution:
1620 Upvotes Verified Answer
The correct answer is: 2
Let $a=00111=2^{2} \times 1+2^{1} \times 1+2^{0} \times 1$
$\begin{aligned} &=4+2+1=7 \\ \text { Let } b &=01110=2^{3} \times 1+2^{2} \times 1+2^{1} \times 1+2^{0} \times 0 \\ &=8+4+2=14 \end{aligned}$
$\frac{b}{a}=\frac{14}{7}=2$

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