11001, 1001 and 111001 correspond to the 2’s complement representation of which one of the following...

11001, 1001 and 111001 correspond to the 2’s complement representation of which one of the following sets of number? 

(1) 25, 9 and 57 respectively (2) –6, –6 and –6 respectively (3) –7, –7 and –7 respectively (4) –25, –9 and –57 respectively
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2 Answers

Answer :

 –7, –7 and –7 respectively.

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Answer :

-7, -7, -7 
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