Q144 / 160 · WBJEE 2012 · Physics

The decimal number equivalent to a binary number 1011001 is

  • A
    13
  • B
    17
  • Correct answer
    C
    89
  • D
    178

Solution

Given, binary number $=1011001$ Its equivalent decimal number $\begin{array}{l} =2^{\circ}+0+0+2^{3}+2^{4}+2^{6} \\ =1+8+16+64=89 \end{array}$

Hence, the correct answer is option: 'C'.

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