NIMCET 2019 Question Paper with solutions

Decimal number 47 has to be subtracted from 3
So, $38-47=-9$
We start with positive version of the number $1-91=9$
In b it representation, binary form of 9
$=00001001$
1's complement $=11110110$
2’s complement $=11110110$
        $+-$
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        $11110111$
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